difference

function Set.difference<T, U>(
    target: Set<T>,
    source: Set<U>,
): Set<T>

Returns a set containing all values from the target set that are not in the source set.

Example

data-first

import { Set } from "@monstermann/set";

Set.difference(Set.create([1, 2, 3]), Set.create([2, 3, 4])); // Set([1])
Set.difference(Set.create([1, 2]), Set.create([3, 4])); // Set([1, 2])

data-last

import { Set } from "@monstermann/set";

pipe(Set.create([1, 2, 3]), Set.difference(Set.create([2, 3, 4]))); // Set([1])
pipe(Set.create([1, 2]), Set.difference(Set.create([3, 4]))); // Set([1, 2])