[−][src]Function iter_set::difference
pub fn difference<T, L, R>(a: L, b: R) -> impl Iterator<Item = T> where
T: Ord,
L: IntoIterator<Item = T>,
R: IntoIterator<Item = T>,
Take the difference of two sets (elements in a
but not in b
) represented by sorted,
deduplicated iterators.
Time complexity: O(a.len() + b.len())
.
Examples
use iter_set::difference; let a = [1, 2]; let b = [2, 3]; assert!(difference(&a, &b).eq(&[1]));