/// <summary>
/// Impure iteration of the bound value in the structure
/// </summary>
/// <returns>
/// Returns the original unmodified structure
/// </returns>
public static ValueTask <A> Do <A>(this ValueTask <A> ma, Action <A> f) =>
ma.Map(x => {
f(x);
return(x);
});
public static ValueTask <B> map <A, B>(ValueTask <A> self, Func <A, B> map) => self.Map(map);
public static ValueTask <ValueTask <B> > Sequence <A, B>(this ValueTask <A> ta, Func <A, ValueTask <B> > f) => ta.Map(f).Sequence();