foldRight<B> method
Implementation
@override B foldRight<B>(B z, B f(A a, B previous)) => reverse().foldLeft<B>(z, (a, b) => f(b, a));
@override B foldRight<B>(B z, B f(A a, B previous)) => reverse().foldLeft<B>(z, (a, b) => f(b, a));