1
0
mirror of https://github.com/chylex/.NET-Community-Toolkit.git synced 2025-07-04 12:38:55 +02:00
.NET-Community-Toolkit/CommunityToolkit.Mvvm/Messaging/Internals/System/Collections.Generic/IDictionary2{TKey,TValue}.cs
Sergio Pedri 7046476d51 Minor codegen improvements
Removed type checks from guarded devirtualization when broadcasting
2021-12-09 11:35:26 +01:00

25 lines
1.0 KiB
C#

// 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.
namespace System.Collections.Generic;
/// <summary>
/// An interface providing key type contravariant and value type covariant access
/// to a <see cref="Dictionary2{TKey,TValue}"/> instance.
/// </summary>
/// <typeparam name="TKey">The contravariant type of keys in the dictionary.</typeparam>
/// <typeparam name="TValue">The covariant type of values in the dictionary.</typeparam>
internal interface IDictionary2<in TKey, out TValue> : IDictionary2<TKey>
where TKey : IEquatable<TKey>
where TValue : class?
{
/// <summary>
/// Gets the value with the specified key.
/// </summary>
/// <param name="key">The key to look for.</param>
/// <returns>The returned value.</returns>
/// <exception cref="ArgumentException">Thrown if the key wasn't present.</exception>
TValue this[TKey key] { get; }
}