pub trait FXParent<'a, T: FX<Immutable> + 'a> {
fn n_fx(&self) -> usize;
fn get_fx(&'a self, index: usize) -> Option<T>;
fn iter_fx(&'a self) -> FXIterator<'a, T, Self>ⓘNotable traits for FXIterator<'a, T, P>impl<'a, T: FX<Immutable> + 'a, P: FXParent<'a, T>> Iterator for FXIterator<'a, T, P> type Item = T;
where
Self: Sized,
{ ... }
}