index.js.flow

// @flow

declare export function set<T>(x?: Iterable<T>): Set<T>;
declare export function and<T>(a: Iterable<T>, b: Iterable<T>): Set<T>;
declare export function or<T>(a: Iterable<T>, b: Iterable<T>): Set<T>;
declare export function not<T>(a: Iterable<T>, b: Iterable<T>): Set<T>;
declare export function xor<T>(a: Iterable<T>, b: Iterable<T>): Set<T>;
declare export function equal(a: Iterable<any>, b: Iterable<any>): boolean;
declare export function subset(a: Iterable<any>, b: Iterable<any>): boolean;
declare export function strictSubset(
  a: Iterable<any>,
  b: Iterable<any>
): boolean;
declare export function superset(a: Iterable<any>, b: Iterable<any>): boolean;
declare export function strictSuperset(
  a: Iterable<any>,
  b: Iterable<any>
): boolean;