Function max

pub fn max<I>(iterable: I) -> Option<<I as IntoIterator>::Item> 
where
    I: IntoIterator,
    <I as IntoIterator>::Item: Ord,

Available on crate feature dep_itertools only.

Return the maximum value of the iterable.

IntoIterator enabled version of Iterator::max.

use itertools::max;

assert_eq!(max(0..10), Some(9));