Trait IterSizeHint 

pub trait IterSizeHint<S>: IterBase<S> {
    // Required method
    fn iter_size_hint(&self, state: &S) -> (usize, Option<usize>);
}

Required Methods

fn iter_size_hint(&self, state: &S) -> (usize, Option<usize>)

Implementors

impl<F: Fn(&S) -> (usize, Option<usize>), S, T> IterSizeHint<S> for Meta<F, S, T>

impl<T, S> IterSizeHint<S> for No<T>