aspnetcore/src/Microsoft.AspNet.Mvc.Core/Extensions/IEnumerableExtensions.cs

38 lines
1.1 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc.
// All Rights Reserved
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
// NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing
// permissions and limitations under the License.
using System.Diagnostics.Contracts;
using System.Linq;
namespace System.Collections.Generic
{
internal static class IEnumerableExtensions
{
public static T[] AsArray<T>(this IEnumerable<T> values)
{
Contract.Assert(values != null);
T[] array = values as T[];
if (array == null)
{
array = values.ToArray();
}
return array;
}
}
}