Function add

repos/effect/packages/effect/src/internal/hashSet.ts:87–90

(self: HashSet<V>, value: V)

/** @internal */
export const add = <V>(self: HashSet<V>, value: V): HashSet<V> => {
  const map = keyMap(self)
  return HashMap.has(map, value) ? self : makeImpl(HashMap.set(map, value, true))
}

/** @internal */
export const remove = <V>(self: HashSet<V>, value: V): HashSet<V> => {