Function containsWith

packages/effect/src/Iterable.ts:529–540

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

 * @since 2.0.0
 */
export const containsWith = <A>(isEquivalent: (self: A, that: A) => boolean): {
  (a: A): (self: Iterable<A>) => boolean
  (self: Iterable<A>, a: A): boolean
} =>
  dual(2, (self: Iterable<A>, a: A): boolean => {
    for (const i of self) {
      if (isEquivalent(a, i)) {
        return true
      }
    }
    return false
  })

const _equivalence = Equal.equivalence()