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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* ironruby@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System.Collections;
using Microsoft.Scripting.Runtime;
using Microsoft.Scripting.Actions;
using IronRuby.Runtime;
namespace IronRuby.Builtins {
// For every .NET type that implements IEnumerable, extend it to include the Ruby Enumerable
// module, and inject an "each" method.
[RubyModule(Extends = typeof(IEnumerable), Restrictions = ModuleRestrictions.None)]
[Includes(typeof(Enumerable))]
public static class IEnumerableOps {
[RubyMethod("each", RubyMethodAttributes.PublicInstance)]
public static object Each(BlockParam block, IEnumerable/*!*/ self) {
foreach (object obj in self) {
object result;
if (block == null) {
throw RubyExceptions.NoBlockGiven();
}
if (block.Yield(obj, out result)) {
return result;
}
}
return self;
}
}
}
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