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添加Task扩展

This commit is contained in:
Sanchime 2022-05-02 22:38:05 +08:00
parent a9ba5c8093
commit 824e672b48
26 changed files with 296 additions and 3 deletions
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28
Sanchime.Functional/Core/Extensions/Option.cs
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@ -1,3 +1,4 @@
using System;
using Sanchime.Functional.Core.Options;
using Sanchime.Functional.Core.Products;
@ -49,12 +50,33 @@ public static class OptionExtension
#region 应用函子
public static Option<R> Apply<T, R>(this Option<T> option, Func<Option<T>, R> apply, Option<T> value)
public static Option<R> Apply<T, R>(this Option<Func<T, R>> option, Option<T> value)
=> option.Match(
None: () => Option.None,
Some: (func) => value.Match(
Some: (apply) => value.Match(
None: () => Option.None,
Some: (val) => Option.Some(apply(value))));
Some: (val) => Option.Some(apply(val))));
public static Option<Func<T2, R>> Apply<T1, T2, R>(this Option<Func<T1, T2, R>> option, Option<T1> value)
=> option.Map(CurryingExtension.Curry).Apply(value);
#endregion
public static T GetOrElse<T>(this Option<T> option, T @default)
=> option.Match(() => @default, (val) => val);
public static T GetOrElse<T>(this Option<T> option, Func<T> fallback)
=> option.Match(() => fallback(), (val) => val);
public static Task<T> GetOrElse<T>(this Option<T> option, Func<Task<T>> fallback)
=> option.Match(() => fallback(), (val) => TaskExtension.Async(val));
public static Option<T> OrElse<T>(this Option<T> left, Option<T> right)
=> left.Match(() => right, (_) => left);
public static Option<T> OrElse<T>(this Option<T> left, Func<Option<T>> right)
=> left.Match(() => right(), (_) => left);
}

37
Sanchime.Functional/Core/Extensions/Task.cs Normal file
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@ -0,0 +1,37 @@
using System;
namespace Sanchime.Functional.Core.Extensions;
public static class TaskExtension
{
public static Task<T> Async<T>(T value)
=> Task.FromResult(value);
#region 函子
public static Task<R> Map<T, R>(this Task<T> @this, Func<Exception, R> Faulted, Func<T, R> Completed)
=> @this.ContinueWith(val => val.Status == TaskStatus.Faulted ? Faulted(val.Exception!) : Completed(val.Result));
public static async Task<R> Map<T, R>(this Task<T> @this, Func<T, R> mapping)
=> mapping(await @this.ConfigureAwait(false));
public static async Task<R> Map<R>(this Task @this, Func<R> mapping)
{
await @this;
return mapping();
}
public static Task<Func<T2, R>> Map<T1, T2, R>(this Task<T1> @this, Func<T1, T2, R> mapping)
=> @this.Map(mapping.Curry());
#endregion
public static async Task<R> Apply<T, R>(this Task<Func<T, R>> @this, Task<T> task)
=> (await @this.ConfigureAwait(false))(await task.ConfigureAwait(false));
public static Task<Func<T2, R>> Apply<T1, T2, R>(this Task<Func<T1, T2, R>> @this, Task<T1> task)
=> @this.Map(CurryingExtension.Curry).Apply(task);
}

1
Sanchime.Functional/Core/Options/Option.cs
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@ -82,6 +82,7 @@ public readonly struct Option<TValue> : IEquatable<None>, IEquatable<Option<TVal
/// <returns></returns>
public TResult Match<TResult>(Func<TResult> None, Func<TValue, TResult> Some)
=> _isSome ? Some(_value) : None();
public bool Equals(Option<TValue> other)
=> this._isSome == other._isSome
&& (this._isNone || this._value!.Equals(other._value));

23
Sanchime.Functional/bin/Debug/net7.0/Sanchime.Functional.deps.json Normal file
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Sanchime.Functional/obj/Debug/net7.0/.NETCoreApp,Version=v7.0.AssemblyAttributes.cs Normal file
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// <autogenerated />
using System;
using System.Reflection;
[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v7.0", FrameworkDisplayName = "")]

22
Sanchime.Functional/obj/Debug/net7.0/Sanchime.Functional.AssemblyInfo.cs Normal file
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//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
using System;
using System.Reflection;
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[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
[assembly: System.Reflection.AssemblyProductAttribute("Sanchime.Functional")]
[assembly: System.Reflection.AssemblyTitleAttribute("Sanchime.Functional")]
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
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1
Sanchime.Functional/obj/Debug/net7.0/Sanchime.Functional.AssemblyInfoInputs.cache Normal file
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Sanchime.Functional/obj/Debug/net7.0/Sanchime.Functional.GeneratedMSBuildEditorConfig.editorconfig Normal file
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build_property.RootNamespace = Sanchime.Functional
build_property.ProjectDir = /home/sanchime/桌面/Program/C#/Sanchime/Sanchime.Functional/

8
Sanchime.Functional/obj/Debug/net7.0/Sanchime.Functional.GlobalUsings.g.cs Normal file
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// <auto-generated/>
global using global::System;
global using global::System.Collections.Generic;
global using global::System.IO;
global using global::System.Linq;
global using global::System.Net.Http;
global using global::System.Threading;
global using global::System.Threading.Tasks;

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Sanchime.Functional/obj/Sanchime.Functional.csproj.nuget.dgspec.json Normal file
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