[−][src]Function veho::matrix::reduce
pub fn reduce<R, M, F>(matrix: M, f: F) -> Option<R::Item> where
M: IntoIterator<Item = R>,
R: IntoIterator,
M::IntoIter: Iterator<Item = R>,
R::IntoIter: Iterator<Item = R::Item>,
F: FnMut(R::Item, R::Item) -> R::Item,