C# (CSharp) TryOptionAsync.MapAsync示例

示例#1

文件： MTryOptionFirstAsync.cs 项目： zyj0021/language-ext

 public Func <Unit, Task <S> > FoldBackAsync <S>(TryOptionAsync <A> ma, S state, Func <S, A, Task <S> > f) => _ =>
 ma.MapAsync(a => f(state, a)).IfNoneOrFail(state);