blob: 13bc7187603b062a167305664c8002518d40cd1a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
** Interface: IReadOnlyCollection<T>
**
**
**
** Purpose: Base interface for read-only generic lists.
**
===========================================================*/
using System;
using System.Diagnostics.Contracts;
using System.Runtime.CompilerServices;
namespace System.Collections.Generic
{
// Provides a read-only, covariant view of a generic list.
// Note that T[] : IReadOnlyList<T>, and we want to ensure that if you use
// IList<YourValueType>, we ensure a YourValueType[] can be used
// without jitting. Hence the TypeDependencyAttribute on SZArrayHelper.
// This is a special workaround internally though - see VM\compile.cpp.
// The same attribute is on IList<T>, IEnumerable<T>, ICollection<T>, and IReadOnlyList<T>.
[TypeDependencyAttribute("System.SZArrayHelper")]
// If we ever implement more interfaces on IReadOnlyCollection, we should also update RuntimeTypeCache.PopulateInterfaces() in rttype.cs
public interface IReadOnlyCollection<out T> : IEnumerable<T>
{
int Count { get; }
}
}
|
