Function gluon_base::merge::merge_collect

pub fn merge_collect<I, F, G, U, S, R>(
    state: &mut S, 
    types: I, 
    action: F, 
    converter: G
) -> Option<R> where
    S: ?Sized,
    I: IntoIterator,
    I::IntoIter: FusedIterator + Clone,
    F: FnMut(&mut S, I::Item) -> Option<U>,
    G: FnMut(&mut S, I::Item) -> U,
    R: FromIterator<U>,