anti_join

In std/collections.

fn anti_join<T, U, K>(self: Seq<T>, other: Seq<U>, *, left: T -> K, right: U -> K, on: (T, U) -> Bool) : Seq<T>
fn anti_join<T, U, K>(self: Seq<T>, other: Seq<U>, *, left: T -> K, right: U -> K) : Seq<T>
fn anti_join<T, U>(self: Seq<T>, other: Seq<U>, *, on: (T, U) -> Bool) : Seq<T>

The elements of the input that match no element of other, by keys, a predicate on, or both, in their positions.