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#pragma warning disable CS1591
using System;
using System.Runtime.CompilerServices;
namespace Cysharp.Threading.Tasks
{
public enum UniTaskStatus
{
/// <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
#if !UNITY_2018_3_OR_NEWER && !NETSTANDARD2_0
: System.Threading.Tasks.Sources.IValueTaskSource
#pragma warning disable CS0108
#endif
{
UniTaskStatus GetStatus(short token);
void OnCompleted(Action<object> continuation, object state, short token);
void GetResult(short token);
UniTaskStatus UnsafeGetStatus(); // only for debug use.
#if !UNITY_2018_3_OR_NEWER && !NETSTANDARD2_0
#pragma warning restore CS0108
System.Threading.Tasks.Sources.ValueTaskSourceStatus System.Threading.Tasks.Sources.IValueTaskSource.GetStatus(short token)
{
return (System.Threading.Tasks.Sources.ValueTaskSourceStatus)(int)((IUniTaskSource)this).GetStatus(token);
}
void System.Threading.Tasks.Sources.IValueTaskSource.GetResult(short token)
{
((IUniTaskSource)this).GetResult(token);
}
void System.Threading.Tasks.Sources.IValueTaskSource.OnCompleted(Action<object> continuation, object state, short token, System.Threading.Tasks.Sources.ValueTaskSourceOnCompletedFlags flags)
{
// ignore flags, always none.
((IUniTaskSource)this).OnCompleted(continuation, state, token);
}
#endif
}
public interface IUniTaskSource<out T> : IUniTaskSource
#if !UNITY_2018_3_OR_NEWER && !NETSTANDARD2_0
, System.Threading.Tasks.Sources.IValueTaskSource<T>
#endif
{
new T GetResult(short token);
#if !UNITY_2018_3_OR_NEWER && !NETSTANDARD2_0
new public UniTaskStatus GetStatus(short token)
{
return ((IUniTaskSource)this).GetStatus(token);
}
new public void OnCompleted(Action<object> continuation, object state, short token)
{
((IUniTaskSource)this).OnCompleted(continuation, state, token);
}
System.Threading.Tasks.Sources.ValueTaskSourceStatus System.Threading.Tasks.Sources.IValueTaskSource<T>.GetStatus(short token)
{
return (System.Threading.Tasks.Sources.ValueTaskSourceStatus)(int)((IUniTaskSource)this).GetStatus(token);
}
T System.Threading.Tasks.Sources.IValueTaskSource<T>.GetResult(short token)
{
return ((IUniTaskSource<T>)this).GetResult(token);
}
void System.Threading.Tasks.Sources.IValueTaskSource<T>.OnCompleted(Action<object> continuation, object state, short token, System.Threading.Tasks.Sources.ValueTaskSourceOnCompletedFlags flags)
{
// ignore flags, always none.
((IUniTaskSource)this).OnCompleted(continuation, state, token);
}
#endif
}
public static class UniTaskStatusExtensions
{
/// <summary>status != Pending.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCompleted(this UniTaskStatus status)
{
return status != UniTaskStatus.Pending;
}
/// <summary>status == Succeeded.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCompletedSuccessfully(this UniTaskStatus status)
{
return status == UniTaskStatus.Succeeded;
}
/// <summary>status == Canceled.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCanceled(this UniTaskStatus status)
{
return status == UniTaskStatus.Canceled;
}
/// <summary>status == Faulted.</summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsFaulted(this UniTaskStatus status)
{
return status == UniTaskStatus.Faulted;
}
}
}