pub trait OnOkDo<I, O, E, F>where I: Iterator<Item = Result<O, E>>, F: Fn(&O),{ fn on_ok(self, _: F) -> OnOk<I, O, E, F> ⓘ; }
Extension trait for Iterator<Item = Result<T, E>> to do something on Ok(_)
Iterator<Item = Result<T, E>>
Ok(_)