pub fn merge_join_by<I, J, F, T>(
    left: I,
    right: J,
    cmp_fn: F
) -> MergeJoinBy<I::IntoIter, J::IntoIter, F>Notable traits for MergeJoinBy<I, J, F>impl<I, J, F, T> Iterator for MergeJoinBy<I, J, F>where
    I: Iterator,
    J: Iterator,
    F: FnMut(&I::Item, &J::Item) -> T,
    T: OrderingOrBool<I::Item, J::Item>,
type Item = T::MergeResult;
where
    I: IntoIterator,
    J: IntoIterator,
    F: FnMut(&I::Item, &J::Item) -> T,
    T: OrderingOrBool<I::Item, J::Item>,
Expand description

Return an iterator adaptor that merge-joins items from the two base iterators in ascending order.

IntoIterator enabled version of Itertools::merge_join_by.