Function itertools::minmax::minmax_impl

source ยท 
pub fn minmax_impl<I, K, F, L>(
    it: I,
    key_for: F,
    lt: L,
) -> MinMaxResult<I::Item>
where
    I: Iterator,
    F: FnMut(&I::Item) -> K,
    L: FnMut(&I::Item, &I::Item, &K, &K) -> bool,
Expand description

Implementation guts for minmax and minmax_by_key.