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✨ Add Char[].Random and String.Random
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@ -3,6 +3,10 @@
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#region Using Directives
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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#endregion
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@ -11,6 +15,58 @@
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/// </summary>
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public static class CharExtensions
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{
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="chars"/>.
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/// </summary>
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/// <param name="chars">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this char[] chars, int length)
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{
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return chars.Random(length, new Random());
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}
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="chars"/>.
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/// </summary>
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/// <param name="chars">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <param name="random">The <see cref="System.Random"/> instance.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this char[] chars, int length, Random random)
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{
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StringBuilder builder = new StringBuilder(length);
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for (int i = 0; i < length; i++)
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{
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builder.Append(chars.ElementAt(random.Next(0, chars.Length)));
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}
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return builder.ToString();
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}
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="chars"/>.
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/// </summary>
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/// <param name="chars">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this IEnumerable<char> chars, int length)
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{
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return chars.Random(length, new Random());
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}
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="chars"/>.
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/// </summary>
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/// <param name="chars">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <param name="random">The <see cref="System.Random"/> instance.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this IEnumerable<char> chars, int length, Random random)
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{
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return chars.ToArray().Random(length, random);
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}
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/// <summary>
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/// Repeats a character a specified number of times.
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/// </summary>
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@ -108,6 +108,29 @@
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return encoding.GetBytes(str);
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}
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="str"/>.
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/// </summary>
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/// <param name="str">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this string str, int length)
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{
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return str.Random(length, new Random());
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}
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/// <summary>
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/// Generates a new random string by filling it with characters found in <see cref="str"/>.
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/// </summary>
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/// <param name="str">The character set.</param>
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/// <param name="length">The length of the string to generate.</param>
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/// <param name="random">The <see cref="System.Random"/> instance.</param>
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/// <returns>Returns a <see cref="String"/> containing <paramref name="length"/> characters.</returns>
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public static string Random(this string str, int length, Random random)
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{
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return str.ToCharArray().Random(length, random);
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}
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/// <summary>
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/// Repeats a string a specified number of times.
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/// </summary>
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