Function gluon_base::types::walk_move_types

pub fn walk_move_types<'a, I, F, T, R>(types: I, f: F) -> Option<R> where
    I: IntoIterator<Item = &'a T>,
    F: FnMut(&'a T) -> Option<T>,
    T: Clone + 'a,
    R: Default + Extend<T> + DerefMut<Target = [T]>,