UniTask/Assets/UniRx.Async/IAwaiter.cs

85 lines
2.3 KiB
C#

#if CSHARP_7_OR_LATER || (UNITY_2018_3_OR_NEWER && (NET_STANDARD_2_0 || NET_4_6))
#pragma warning disable CS1591
using System;
using System.Runtime.CompilerServices;
namespace UniRx.Async
{
// TODO:rename to UniTaskStatus
public enum AwaiterStatus
{
/// <summary>The operation has not yet completed.</summary>
Pending = 0,
/// <summary>The operation completed successfully.</summary>
Succeeded = 1,
/// <summary>The operation completed with an error.</summary>
Faulted = 2,
/// <summary>The operation completed due to cancellation.</summary>
Canceled = 3
}
// similar as IValueTaskSource
public interface IUniTaskSource
{
AwaiterStatus GetStatus(short token);
void OnCompleted(Action<object> continuation, object state, short token);
void GetResult(short token);
AwaiterStatus UnsafeGetStatus(); // only for debug use.
}
public interface IUniTaskSource<out T> : IUniTaskSource
{
new T GetResult(short token);
}
public interface IAwaiter : ICriticalNotifyCompletion
{
AwaiterStatus Status { get; }
bool IsCompleted { get; }
void GetResult();
}
public interface IAwaiter<out T> : IAwaiter
{
new T GetResult();
}
public static class AwaiterStatusExtensions
{
/// <summary>!= Pending.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCompleted(this AwaiterStatus status)
{
return status != AwaiterStatus.Pending;
}
/// <summary>== Succeeded.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCompletedSuccessfully(this AwaiterStatus status)
{
return status == AwaiterStatus.Succeeded;
}
/// <summary>== Canceled.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCanceled(this AwaiterStatus status)
{
return status == AwaiterStatus.Canceled;
}
/// <summary>== Faulted.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsFaulted(this AwaiterStatus status)
{
return status == AwaiterStatus.Faulted;
}
}
}
#endif