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https://github.com/oliverbooth/X10D
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parent
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commit
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using System;
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namespace X10D
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{
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/// <summary>
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/// Extension methods for <see cref="IComparable" />.
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/// </summary>
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public static class ComparableExtensions
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{
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/// <summary>
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/// Determines if <paramref name="actual" /> is between <paramref name="lower" /> and <paramref name="upper" />.
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/// </summary>
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/// <typeparam name="T">The comparable type.</typeparam>
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/// <param name="actual">The value to compare.</param>
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/// <param name="lower">The exclusive lower bound.</param>
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/// <param name="upper">The exclusive upper bound.</param>
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/// <returns>
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/// Returns <see langword="true" /> if the value is between the bounds, <see langword="false" />
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/// otherwise.
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/// </returns>
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public static bool Between<T>(this T actual, T lower, T upper)
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where T : IComparable<T>
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{
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return actual.CompareTo(lower) > 0 && actual.CompareTo(upper) < 0;
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}
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}
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}
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54
X10D/src/ComparableExtensions/ComparableExtensions.cs
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54
X10D/src/ComparableExtensions/ComparableExtensions.cs
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using System;
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using System.Runtime.CompilerServices;
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namespace X10D.ComparableExtensions
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{
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/// <summary>
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/// Extension methods for <see cref="IComparable{T}" />.
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/// </summary>
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public static partial class ComparableExtensions
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{
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/// <summary>
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/// Determines if <paramref name="actual" /> is between <paramref name="lower" /> and <paramref name="upper" />.
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/// </summary>
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/// <typeparam name="T1">An <see cref="IComparable{T2}" /> type.</typeparam>
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/// <typeparam name="T2">The first comparison operand type.</typeparam>
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/// <typeparam name="T3">The second comparison operand type.</typeparam>
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/// <param name="actual">The value to compare.</param>
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/// <param name="lower">The exclusive lower bound.</param>
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/// <param name="upper">The exclusive upper bound.</param>
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/// <returns>
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/// <see langword="true" /> if <paramref name="actual" /> is between the <paramref name="lower"/> and
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/// <paramref name="upper"/>
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/// -or-
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/// <see langword="false" /> otherwise.
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/// </returns>
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/// <example>
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/// <code lang="csharp">
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/// int firstValue = 42;
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/// int secondValue = 15;
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///
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/// int lower = 0;
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/// int upper = 20;
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///
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/// Console.WriteLine($"{firstValue} between {lower} and {upper}?");
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/// Console.WriteLine(firstValue.Between(lower, upper));
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///
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/// Console.WriteLine($"{secondValue} between {lower} and {upper}?");
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/// Console.WriteLine(secondValue.Between(lower, upper));
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///
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/// // This will output the following:
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/// // 42 between 0 and 20?
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/// // False
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/// // 15 between 0 and 20?
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/// // True
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/// </code>
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/// </example>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Between<T1, T2, T3>(this T1 actual, T2 lower, T3 upper)
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where T1 : IComparable<T2>, IComparable<T3>
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{
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return actual.CompareTo(lower) > 0 && actual.CompareTo(upper) < 0;
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}
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}
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}
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