74 lines
2.1 KiB
C#
74 lines
2.1 KiB
C#
//
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// ExtensionMethods.cs - implements generic-typed extension methods for System.Collections classes
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using System.Collections;
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using System.Text;
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namespace MBS.Framework.Collections
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{
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public static class ExtensionMethods
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{
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public static T[] ToArray<T>(this IEnumerable enumerable) where T : class
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{
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System.Collections.Generic.List<T> list = new System.Collections.Generic.List<T>();
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foreach (object name in enumerable)
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{
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if (name is T)
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list.Add((T)name);
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}
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return list.ToArray();
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}
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public static T[] ToNullTerminatedArray<T>(this IEnumerable enumerable) where T : class
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{
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System.Collections.Generic.List<T> list = new System.Collections.Generic.List<T>();
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foreach (object name in enumerable)
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{
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if (name is T)
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list.Add((T)name);
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}
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list.Add(null);
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return list.ToArray();
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}
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/// <summary>
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/// Convenience function to copy from any <see cref="IEnumerable" />
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/// into any <see cref="IList"/>.
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/// </summary>
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public static void CopyTo(this IEnumerable source, IList dest)
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{
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foreach (object o in source)
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{
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dest.Add(o);
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}
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}
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public static string ToString(this IEnumerable source, string separator)
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{
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StringBuilder sb = new StringBuilder();
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foreach (object o in source)
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{
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sb.Append(o);
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sb.Append(separator);
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}
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return sb.ToString();
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}
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}
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}
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