public static Iteratee <E, B> Apply <E, A, B>(this Iteratee <E, Func <A, B> > f, Iteratee <E, A> o)
{
return(f.SelectMany(g => o.Select(p => g(p))));
}
public Iteratee <E, C> ZipWith <B, C>(Iteratee <E, B> o, Func <A, Func <B, C> > f)
{
return(this.SelectMany(a => o.Select(b => f(a)(b))));
}