Merge branch 'develop' into main

CHANGELOG.md

@@ -11,6 +11,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - X10D: Added extension methods for `DateOnly`, for parity with `DateTime` and `DateTimeOffset`.
 - X10D: Added math-related extension methods for `BigInteger`.
 - X10D: Added `Span<T>.Replace(T, T)`.
+- X10D: Added `CountDigits` for integer types.
+- X10D: Added `TextWriter.WriteNoAlloc(int[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteNoAlloc(uint[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteNoAlloc(long[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteNoAlloc(ulong[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteLineNoAlloc(int[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteLineNoAlloc(uint[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteLineNoAlloc(long[, ReadOnlySpan<char>[, IFormatProvider]])`.
+- X10D: Added `TextWriter.WriteLineNoAlloc(ulong[, ReadOnlySpan<char>[, IFormatProvider]])`.
 
 ### Changed
 - X10D: `DateTime.Age(DateTime)` and `DateTimeOffset.Age(DateTimeOffset)` parameter renamed from `asOf` to `referenceDate`.

X10D.Tests/src/IO/TextWriterTests.Int32.cs

@@ -0,0 +1,131 @@
+using System.Globalization;
+using System.Text;
+using NUnit.Framework;
+using X10D.IO;
+
+namespace X10D.Tests.IO;
+
+public partial class TextWriterTests
+{
+    [Test]
+    public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenInt32_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldThrowObjectDisposedException_GivenInt32_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowArgumentNullException_GivenInt32_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowObjectDisposedException_GivenInt32_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt32()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt32_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt32_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt32()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt32_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt32_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+}

X10D.Tests/src/IO/TextWriterTests.Int64.cs

@@ -0,0 +1,131 @@
+using System.Globalization;
+using System.Text;
+using NUnit.Framework;
+using X10D.IO;
+
+namespace X10D.Tests.IO;
+
+public partial class TextWriterTests
+{
+    [Test]
+    public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenInt64_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420L));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420L, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420L, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldThrowObjectDisposedException_GivenInt64_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420L));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420L, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420L, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowArgumentNullException_GivenInt64_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420L));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420L, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420L, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowObjectDisposedException_GivenInt64_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420L));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420L, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420L, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt64()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420L);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt64_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420L, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenInt64_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420L, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt64()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420L);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt64_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420L, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenInt64_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420L, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+}

X10D.Tests/src/IO/TextWriterTests.UInt32.cs

@@ -0,0 +1,131 @@
+using System.Globalization;
+using System.Text;
+using NUnit.Framework;
+using X10D.IO;
+
+namespace X10D.Tests.IO;
+
+public partial class TextWriterTests
+{
+    [Test]
+    public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenUInt32_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420U));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420U, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420U, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldThrowObjectDisposedException_GivenUInt32_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420U));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420U, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420U, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowArgumentNullException_GivenUInt32_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420U));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420U, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420U, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowObjectDisposedException_GivenUInt32_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420U));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420U, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420U, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt32()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420U);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt32_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420U, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt32_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420U, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt32()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420U);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt32_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420U, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt32_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420U, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+}

X10D.Tests/src/IO/TextWriterTests.UInt64.cs

@@ -0,0 +1,131 @@
+using System.Globalization;
+using System.Text;
+using NUnit.Framework;
+using X10D.IO;
+
+namespace X10D.Tests.IO;
+
+public partial class TextWriterTests
+{
+    [Test]
+    public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenUInt64_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420UL));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420UL, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteNoAlloc(420UL, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldThrowObjectDisposedException_GivenUInt64_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420UL));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420UL, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteNoAlloc(420UL, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowArgumentNullException_GivenUInt64_AndNullWriter()
+    {
+        TextWriter writer = null!;
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420UL));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420UL, "N0"));
+        Assert.Throws<ArgumentNullException>(() => writer.WriteLineNoAlloc(420UL, "N0", null));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldThrowObjectDisposedException_GivenUInt64_AndDisposedStream()
+    {
+        var stream = new MemoryStream();
+        var writer = new StreamWriter(stream, Encoding.UTF8);
+        writer.Dispose();
+        stream.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420UL));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420UL, "N0"));
+        Assert.Throws<ObjectDisposedException>(() => writer.WriteLineNoAlloc(420UL, "N0", null));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt64()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420UL);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt64_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420UL, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteNoAlloc_ShouldWriteTextValue_GivenUInt64_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteNoAlloc(420UL, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        const string expected = "420";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt64()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420UL);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt64_AndFormatString()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420UL, "N0");
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void WriteLineNoAlloc_ShouldWriteTextValue_GivenUInt64_AndFormatString_AndCultureInfo()
+    {
+        Assert.That(_stream.Length, Is.Zero);
+        _writer.WriteLineNoAlloc(420UL, "N0", CultureInfo.CurrentCulture);
+        _writer.Flush();
+
+        string actual = Encoding.UTF8.GetString(_stream.ToArray());
+        var expected = $"420{Environment.NewLine}";
+
+        Assert.That(actual, Is.EqualTo(expected));
+    }
+}

X10D.Tests/src/IO/TextWriterTests.cs

@@ -0,0 +1,57 @@
+using System.Diagnostics;
+using System.Text;
+using NUnit.Framework;
+
+namespace X10D.Tests.IO;
+
+[TestFixture]
+public partial class TextWriterTests
+{
+    private MemoryStream _stream = null!;
+    private StreamWriter _writer = null!;
+
+    [OneTimeSetUp]
+    public void OneTimeSetup()
+    {
+        _stream = new MemoryStream();
+        _writer = new StreamWriter(_stream, Encoding.UTF8);
+
+        // When StreamWriter flushes for the first time, an encoding preamble is written to the stream,
+        // which is correctly mirrored by the behaviour of StreamReader.
+        // however, we're not using StreamReader, we read the contents of the stream
+        // using MemoryStream.ToArray(). This was causing one test to fail, as the first test
+        // that runs would cause the preamble to be written and not be accounted for when reading.
+        // Subsequent tests would pass since the preamble would not be written again.
+        // The following 4 lines ensure that the preamble is written by manually flushing the
+        // writer after writing a single space character. We then clear the stream, and allow
+        // unit tests to do their thing. This took me an HOUR AND A HALF to narrow down.
+        // I want to fucking die.
+        _writer.Write(' ');
+        _writer.Flush();
+        _stream.SetLength(0);
+        _stream.Position = 0;
+
+        Trace.Listeners.Add(new ConsoleTraceListener());
+    }
+
+    [OneTimeTearDown]
+    public void OneTimeTearDown()
+    {
+        _writer.Dispose();
+        _stream.Dispose();
+
+        Trace.Flush();
+    }
+
+    [SetUp]
+    public void Setup()
+    {
+        _stream.SetLength(0);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        _stream.SetLength(0);
+    }
+}

X10D.Tests/src/Math/BigIntegerTests.cs

@@ -7,6 +7,61 @@ namespace X10D.Tests.Math;
 [TestFixture]
 public partial class BigIntegerTests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        BigInteger value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        BigInteger value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_GivenNegative1()
+    {
+        BigInteger value = -1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        BigInteger value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        BigInteger value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/ByteTests.cs

@@ -6,6 +6,50 @@ namespace X10D.Tests.Math;
 [TestFixture]
 public partial class ByteTests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const byte value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const byte value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const byte value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const byte value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/Int16Tests.cs

@@ -6,6 +6,61 @@ namespace X10D.Tests.Math;
 [TestFixture]
 public partial class Int16Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const short value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const short value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_GivenNegative1()
+    {
+        const short value = -1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const short value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const short value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/Int32Tests.cs

@@ -6,6 +6,61 @@ namespace X10D.Tests.Math;
 [TestFixture]
 public partial class Int32Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const int value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const int value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_GivenNegative1()
+    {
+        const int value = -1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const int value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const int value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/Int64Tests.cs

@@ -6,6 +6,61 @@ namespace X10D.Tests.Math;
 [TestFixture]
 public partial class Int64Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const long value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const long value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_GivenNegative1()
+    {
+        const long value = -1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const long value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const long value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/SByteTests.cs

@@ -7,6 +7,61 @@ namespace X10D.Tests.Math;
 [CLSCompliant(false)]
 public partial class SByteTests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const sbyte value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const sbyte value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_GivenNegative1()
+    {
+        const sbyte value = -1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const sbyte value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given127()
+    {
+        const sbyte value = 127;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/UInt16Tests.cs

@@ -7,6 +7,50 @@ namespace X10D.Tests.Math;
 [CLSCompliant(false)]
 public partial class UInt16Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const ushort value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const ushort value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const ushort value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const ushort value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/UInt32Tests.cs

@@ -7,6 +7,49 @@ namespace X10D.Tests.Math;
 [CLSCompliant(false)]
 public partial class UInt32Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const uint value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const uint value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const uint value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const uint value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.Tests/src/Math/UInt64Tests.cs

@@ -7,6 +7,50 @@ namespace X10D.Tests.Math;
 [CLSCompliant(false)]
 public partial class UInt64Tests
 {
+    [Test]
+    public void CountDigits_ShouldReturn1_Given0()
+    {
+        const ulong value = 0;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn1_Given1()
+    {
+        const ulong value = 1;
+        const int expected = 1;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn2_Given10()
+    {
+        const ulong value = 10;
+        const int expected = 2;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void CountDigits_ShouldReturn3_Given199()
+    {
+        const ulong value = 199;
+        const int expected = 3;
+
+        int result = value.CountDigits();
+
+        Assert.That(result, Is.EqualTo(expected));
+    }
+
     [Test]
     public void DigitalRootShouldBeCorrect()
     {

X10D.sln

@@ -22,7 +22,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SourceValidator", "tools\So
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "X10D.Unity", "X10D.Unity\X10D.Unity.csproj", "{7EAB3F09-A9FD-4334-B4DB-0394DD0C6568}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "X10D.SourceGenerator", "X10D.SourceGenerator\X10D.SourceGenerator.csproj", "{077A5D33-AD55-4C55-8A67-972CEBC32C7A}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SourceGenerator", "tools\SourceGenerator\SourceGenerator.csproj", "{077A5D33-AD55-4C55-8A67-972CEBC32C7A}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "X10D.DSharpPlus", "X10D.DSharpPlus\X10D.DSharpPlus.csproj", "{675D3B25-7EA0-4FC3-B513-8DF27874F2CF}"
 EndProject
@@ -47,6 +47,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tools", "Tools", "{4B8969E6
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Benchmarks", "tools\Benchmarks\Benchmarks.csproj", "{259450A0-9964-403A-91E1-E9111B92C293}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "X10D.MetaServices", "tools\X10D.MetaServices\X10D.MetaServices.csproj", "{F57376C4-3591-43AF-BBED-447A1DE2B1FE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -89,6 +91,10 @@ Global
 		{259450A0-9964-403A-91E1-E9111B92C293}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{259450A0-9964-403A-91E1-E9111B92C293}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{259450A0-9964-403A-91E1-E9111B92C293}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F57376C4-3591-43AF-BBED-447A1DE2B1FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F57376C4-3591-43AF-BBED-447A1DE2B1FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F57376C4-3591-43AF-BBED-447A1DE2B1FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F57376C4-3591-43AF-BBED-447A1DE2B1FE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -100,5 +106,7 @@ Global
 		{84750149-9068-4780-AFDE-CDA1AC57007D} = {4B8969E6-27D2-4357-964E-9979FF7CC805}
 		{CCBF047D-1B01-45EC-8D89-B00B4AC482CA} = {4B8969E6-27D2-4357-964E-9979FF7CC805}
 		{259450A0-9964-403A-91E1-E9111B92C293} = {4B8969E6-27D2-4357-964E-9979FF7CC805}
+		{077A5D33-AD55-4C55-8A67-972CEBC32C7A} = {4B8969E6-27D2-4357-964E-9979FF7CC805}
+		{F57376C4-3591-43AF-BBED-447A1DE2B1FE} = {4B8969E6-27D2-4357-964E-9979FF7CC805}
 	EndGlobalSection
 EndGlobal

X10D/X10D.csproj

@@ -83,7 +83,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\X10D.SourceGenerator\X10D.SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+        <ProjectReference Include="..\tools\SourceGenerator\SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+        <ProjectReference Include="..\tools\X10D.MetaServices\X10D.MetaServices.csproj" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup Condition="'$(GITHUB_ACTIONS)' != 'true'">

X10D/src/IO/TextWriterExtensions.cs

@@ -0,0 +1,685 @@
+using System.Globalization;
+using X10D.Math;
+
+namespace X10D.IO;
+
+/// <summary>
+///     IO-related extension methods for <see cref="TextWriter" />.
+/// </summary>
+public static class TextWriterExtensions
+{
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer, int value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer, int value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer, int value, ReadOnlySpan<char> format, IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        int digitCount = value.CountDigits();
+        Span<char> buffer = stackalloc char[System.Math.Max(value < 0 ? digitCount + 1 : digitCount, 1000)];
+        if (value.TryFormat(buffer, out int charsWritten, format, formatProvider))
+        {
+            Span<char> truncated = buffer[..charsWritten];
+            for (var index = 0; index < truncated.Length; index++)
+            {
+                writer.Write(truncated[index]);
+            }
+        }
+        else
+        {
+            writer.Write(value.ToString(format.ToString(), formatProvider));
+        }
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer, uint value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer, uint value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer,
+        uint value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        int digitCount = value.CountDigits();
+        Span<char> buffer = stackalloc char[System.Math.Max(digitCount, 1000)];
+        if (value.TryFormat(buffer, out int charsWritten, format, formatProvider))
+        {
+            Span<char> truncated = buffer[..charsWritten];
+            for (var index = 0; index < truncated.Length; index++)
+            {
+                writer.Write(truncated[index]);
+            }
+        }
+        else
+        {
+            writer.Write(value.ToString(format.ToString(), formatProvider));
+        }
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer, long value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer, long value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteNoAlloc(this TextWriter writer,
+        long value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        int digitCount = value.CountDigits();
+        Span<char> buffer = stackalloc char[System.Math.Max(value < 0 ? digitCount + 1 : digitCount, 1000)];
+        if (value.TryFormat(buffer, out int charsWritten, format, formatProvider))
+        {
+            Span<char> truncated = buffer[..charsWritten];
+            for (var index = 0; index < truncated.Length; index++)
+            {
+                writer.Write(truncated[index]);
+            }
+        }
+        else
+        {
+            writer.Write(value.ToString(format.ToString(), formatProvider));
+        }
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte unsigned integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer, ulong value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer, ulong value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        WriteNoAlloc(writer, value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, without allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteNoAlloc(this TextWriter writer,
+        ulong value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        int digitCount = value.CountDigits();
+        Span<char> buffer = stackalloc char[System.Math.Max(digitCount, 1000)];
+        if (value.TryFormat(buffer, out int charsWritten, format, formatProvider))
+        {
+            Span<char> truncated = buffer[..charsWritten];
+            for (var index = 0; index < truncated.Length; index++)
+            {
+                writer.Write(truncated[index]);
+            }
+        }
+        else
+        {
+            writer.Write(value.ToString(format.ToString(), formatProvider));
+        }
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer, int value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer, int value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer, int value, ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteNoAlloc(value, format, formatProvider);
+        writer.WriteLine();
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer, uint value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer, uint value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 4-byte unsigned integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 4-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer,
+        uint value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteNoAlloc(value, format, formatProvider);
+        writer.WriteLine();
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer, long value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer, long value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte signed integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    public static void WriteLineNoAlloc(this TextWriter writer,
+        long value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteNoAlloc(value, format, formatProvider);
+        writer.WriteLine();
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte unsigned integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer, ulong value)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, "N0".AsSpan(), CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer, ulong value, ReadOnlySpan<char> format)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteLineNoAlloc(value, format, CultureInfo.CurrentCulture);
+    }
+
+    /// <summary>
+    ///     Writes the text representation of a 8-byte signed integer to the text stream, followed by a line terminator, without
+    ///     allocating a string.
+    /// </summary>
+    /// <param name="writer">The <see cref="TextWriter" /> to write to.</param>
+    /// <param name="value">The 8-byte unsigned integer to write.</param>
+    /// <param name="format">A standard or custom numeric format string.</param>
+    /// <param name="formatProvider">An object that supplies culture-specific formatting information.</param>
+    /// <remarks>This method may still allocate if the integer is too large to fit in a stack-allocated buffer.</remarks>
+    /// <exception cref="ArgumentNullException"><paramref name="writer" /> is <see langword="null" />.</exception>
+    /// <exception cref="ObjectDisposedException">The <see cref="TextWriter" /> is closed.</exception>
+    /// <exception cref="IOException">An I/O error occurs.</exception>
+    [CLSCompliant(false)]
+    public static void WriteLineNoAlloc(this TextWriter writer,
+        ulong value,
+        ReadOnlySpan<char> format,
+        IFormatProvider? formatProvider)
+    {
+#if NET6_0_OR_GREATER
+        ArgumentNullException.ThrowIfNull(writer);
+#else
+        if (writer is null)
+        {
+            throw new ArgumentNullException(nameof(writer));
+        }
+#endif
+
+        writer.WriteNoAlloc(value, format, formatProvider);
+        writer.WriteLine();
+    }
+}

X10D/src/Math/BigIntegerExtensions.cs

@@ -10,6 +10,21 @@ namespace X10D.Math;
 /// </summary>
 public static class BigIntegerExtensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this BigInteger value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return (int)(1 + BigInteger.Log10(BigInteger.Abs(value)));
+    }
+
     /// <summary>
     ///     Computes the digital root of this 8-bit integer.
     /// </summary>

X10D/src/Math/ByteExtensions.cs

@@ -9,6 +9,21 @@ namespace X10D.Math;
 /// </summary>
 public static class ByteExtensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 8-bit unsigned integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this byte value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((ulong)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of this 8-bit integer.
     /// </summary>

X10D/src/Math/Int16Extensions.cs

@@ -9,6 +9,21 @@ namespace X10D.Math;
 /// </summary>
 public static class Int16Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 16-bit signed integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this short value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((long)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of this 16-bit integer.
     /// </summary>

X10D/src/Math/Int32Extensions.cs

@@ -9,6 +9,21 @@ namespace X10D.Math;
 /// </summary>
 public static class Int32Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 32-bit signed integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this int value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((long)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of this 32-bit integer.
     /// </summary>

X10D/src/Math/Int64Extensions.cs

@@ -9,6 +9,21 @@ namespace X10D.Math;
 /// </summary>
 public static class Int64Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 64-bit signed integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this long value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return 1 + (int)System.Math.Floor(System.Math.Log10(System.Math.Abs(value)));
+    }
+
     /// <summary>
     ///     Computes the digital root of this 64-bit integer.
     /// </summary>

X10D/src/Math/SByteExtensions.cs

@@ -10,6 +10,21 @@ namespace X10D.Math;
 [CLSCompliant(false)]
 public static class SByteExtensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 8-bit signed integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this sbyte value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((long)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of this 32-bit integer.
     /// </summary>

X10D/src/Math/UInt16Extensions.cs

@@ -10,6 +10,21 @@ namespace X10D.Math;
 [CLSCompliant(false)]
 public static class UInt16Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 16-bit signed integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this ushort value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((ulong)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of the current 16-bit unsigned integer.
     /// </summary>

X10D/src/Math/UInt32Extensions.cs

@@ -10,6 +10,21 @@ namespace X10D.Math;
 [CLSCompliant(false)]
 public static class UInt32Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 32-bit unsigned integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this uint value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return ((ulong)value).CountDigits();
+    }
+
     /// <summary>
     ///     Computes the digital root of the current 32-bit unsigned integer.
     /// </summary>

X10D/src/Math/UInt64Extensions.cs

@@ -10,6 +10,21 @@ namespace X10D.Math;
 [CLSCompliant(false)]
 public static class UInt64Extensions
 {
+    /// <summary>
+    ///     Returns the number of digits in the current 64-bit unsigned integer.
+    /// </summary>
+    /// <param name="value">The value whose digit count to compute.</param>
+    /// <returns>The number of digits in <paramref name="value" />.</returns>
+    public static int CountDigits(this ulong value)
+    {
+        if (value == 0)
+        {
+            return 1;
+        }
+
+        return 1 + (int)System.Math.Floor(System.Math.Log10(System.Math.Abs((double)value)));
+    }
+
     /// <summary>
     ///     Computes the digital root of the current 64-bit unsigned integer.
     /// </summary>

tools/SourceGenerator/EmojiRegexGenerator.cs

@@ -3,7 +3,7 @@ using System.Text.RegularExpressions;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.Text;
 
-namespace X10D.SourceGenerator;
+namespace SourceGenerator;
 
 [Generator]
 internal sealed class EmojiRegexGenerator : ISourceGenerator
@@ -47,8 +47,8 @@ internal sealed class EmojiRegexGenerator : ISourceGenerator
         }
 
         var builder = new StringBuilder();
-        builder.AppendLine("// This file was auto-generated by X10D.SourceGenerator");
+        builder.AppendLine("// This file was auto-generated by the X10D source generator");
-        builder.AppendLine("// Do not edit this file manually");
+        builder.AppendLine("// Do not edit this file manually!");
         builder.AppendLine();
 
         builder.AppendLine("using System.Text.RegularExpressions;");

tools/SourceGenerator/MethodOverloadGenerator.cs

@@ -0,0 +1,22 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace SourceGenerator;
+
+[Generator]
+internal sealed class MethodOverloadGenerator : ISourceGenerator
+{
+    /// <inheritdoc />
+    public void Initialize(GeneratorInitializationContext context)
+    {
+        context.RegisterForSyntaxNotifications(() => new OverloadSyntaxReceiver());
+    }
+
+    /// <inheritdoc />
+    public void Execute(GeneratorExecutionContext context)
+    {
+        var syntaxReceiver = (OverloadSyntaxReceiver)context.SyntaxReceiver!;
+        IReadOnlyList<MethodDeclarationSyntax> candidateMethods = syntaxReceiver.CandidateMethods;
+        // TODO implement
+    }
+}

tools/SourceGenerator/OverloadSyntaxReceiver.cs

@@ -0,0 +1,41 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using X10D.MetaServices;
+
+namespace SourceGenerator;
+
+public class OverloadSyntaxReceiver : ISyntaxReceiver
+{
+    private readonly List<MethodDeclarationSyntax> _candidateMethods = new();
+
+    public IReadOnlyList<MethodDeclarationSyntax> CandidateMethods
+    {
+        get => _candidateMethods.AsReadOnly();
+    }
+
+    public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
+    {
+        if (syntaxNode is not MethodDeclarationSyntax methodDeclarationSyntax)
+        {
+            return;
+        }
+
+        if (methodDeclarationSyntax.AttributeLists.Count == 0)
+        {
+            return;
+        }
+
+        string attributeName = nameof(AutoOverloadAttribute).Replace("Attribute", string.Empty);
+        foreach (AttributeListSyntax attributeListSyntax in methodDeclarationSyntax.AttributeLists)
+        {
+            foreach (AttributeSyntax attributeSyntax in attributeListSyntax.Attributes)
+            {
+                if (attributeSyntax.Name.ToString() == attributeName)
+                {
+                    _candidateMethods.Add(methodDeclarationSyntax);
+                    break;
+                }
+            }
+        }
+    }
+}

tools/SourceGenerator/SourceGenerator.csproj

@@ -17,4 +17,8 @@
         </PackageReference>
     </ItemGroup>
 
+    <ItemGroup>
+        <ProjectReference Include="..\X10D.MetaServices\X10D.MetaServices.csproj" PrivateAssets="all"/>
+    </ItemGroup>
+
 </Project>

tools/X10D.MetaServices/Assembly.cs

@@ -0,0 +1,4 @@
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("X10D")]
+[assembly: InternalsVisibleTo("SourceGenerator")]

tools/X10D.MetaServices/AutoOverloadAttribute.cs

@@ -0,0 +1,6 @@
+namespace X10D.MetaServices;
+
+[AttributeUsage(AttributeTargets.Method, Inherited = false)]
+internal sealed class AutoOverloadAttribute : Attribute
+{
+}

tools/X10D.MetaServices/OverloadTypeAttribute.cs

@@ -0,0 +1,20 @@
+namespace X10D.MetaServices;
+
+[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
+internal sealed class OverloadTypeAttribute : Attribute
+{
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="OverloadTypeAttribute"/> class.
+    /// </summary>
+    /// <param name="types">The types to overload.</param>
+    public OverloadTypeAttribute(params Type[] types)
+    {
+        Types = (Type[])types.Clone();
+    }
+
+    /// <summary>
+    ///     Gets an array of types to overload.
+    /// </summary>
+    /// <value>An array of types to overload.</value>
+    public Type[] Types { get; }
+}

tools/X10D.MetaServices/X10D.MetaServices.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <LangVersion>11.0</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>