elliebot/src/Ellie.Common/Extensions/PipExtensions.cs
2024-03-23 19:18:18 +13:00

22 lines
720 B
C#

namespace Ellie.Common;
public delegate TOut PipeFunc<TIn, out TOut>(in TIn a);
public delegate TOut PipeFunc<TIn1, TIn2, out TOut>(in TIn1 a, in TIn2 b);
public static class PipeExtensions
{
public static TOut Pipe<TIn, TOut>(this TIn a, Func<TIn, TOut> fn)
=> fn(a);
public static TOut Pipe<TIn, TOut>(this TIn a, PipeFunc<TIn, TOut> fn)
=> fn(a);
public static TOut Pipe<TIn1, TIn2, TOut>(this (TIn1, TIn2) a, PipeFunc<TIn1, TIn2, TOut> fn)
=> fn(a.Item1, a.Item2);
public static (TIn, TExtra) With<TIn, TExtra>(this TIn a, TExtra b)
=> (a, b);
public static async Task<TOut> Pipe<TIn, TOut>(this Task<TIn> a, Func<TIn, TOut> fn)
=> fn(await a);
}