Function itertools::sorted

pub fn sorted<I>(iterable: I) -> Vec<I::Item> where
    I: IntoIterator,
    I::Item: Ord, 

Collect all the iterable’s elements into a sorted vector in ascending order.

IntoIterator enabled version of iterable.sorted().

use itertools::sorted;
use itertools::assert_equal;

assert_equal(sorted("rust".chars()), "rstu".chars());