using DotNext.Generic; using System.Runtime.CompilerServices; using System.Threading.Tasks; namespace DotNext.Threading.Tasks { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public static class CompletedTask<[System.Runtime.CompilerServices.Nullable(2)] T, [System.Runtime.CompilerServices.Nullable(0)] TConstant> where TConstant : Constant<T>, new { private static readonly T Value = (Constant<T>)new TConstant(); public static readonly Task<T> Task = System.Threading.Tasks.Task.FromResult<T>(Value); internal static T WhenFaulted(Task<T> task) { if (!task.IsFaulted) return task.Result; return Value; } internal static T WhenCanceled(Task<T> task) { if (!task.IsCanceled) return task.Result; return Value; } internal static T WhenFaultedOrCanceled(Task<T> task) { if (!(task.IsFaulted | task.IsCanceled)) return task.Result; return Value; } } }