public Either <L, TResult> SelectMany <TResult>(Func <R, Either <L, TResult> > f)
{
return(IsRight
? f(RightValue)
: Either <L, TResult> .Left(LeftValue));
}
public Either <L, TResult> SelectMany <TCollection, TResult>(Func <R, Either <L, TCollection> > collectionSelector, Func <R, TCollection, TResult> resultSelector)
{
return(!IsRight
? Either <L, TResult> .Left(LeftValue)
: collectionSelector(RightValue).Match(Either <L, TResult> .Left, x => Either <L, TResult> .Right(resultSelector(RightValue, x))));
}
public Either <L, TResult> Select <TResult>(Func <R, TResult> f)
{
return(IsRight
? Either <L, TResult> .Right(f(RightValue))
: Either <L, TResult> .Left(LeftValue));
}
