Function differenceWith

packages/effect/src/Array.ts:2399–2411

(isEquivalent: (self: A, that: A) => boolean)

 * @since 2.0.0
 */
export const differenceWith = <A>(isEquivalent: (self: A, that: A) => boolean): {
  (that: Iterable<A>): (self: Iterable<A>) => Array<A>
  (self: Iterable<A>, that: Iterable<A>): Array<A>
} => {
  const has = containsWith(isEquivalent)
  return dual(
    2,
    (self: Iterable<A>, that: Iterable<A>): Array<A> => {
      const bs = fromIterable(that)
      return fromIterable(self).filter((a) => !has(bs, a))
    }
  )
}

/**
 * Creates a `Array` of values not included in the other given `Iterable`.