Function map

repos/effect/packages/effect/src/internal/hashSet.ts:151–157

(self: HashSet<V>, f: (value: V) => U)

/** @internal */
export const map = <V, U>(self: HashSet<V>, f: (value: V) => U): HashSet<U> => {
  let result = HashMap.empty<U, boolean>()
  for (const value of self) {
    result = HashMap.set(result, f(value), true)
  }
  return makeImpl(result)
}

/** @internal */
export const filter = <V>(self: HashSet<V>, predicate: (value: V) => boolean): HashSet<V> =>