Function fromHashMap

repos/effect/packages/effect/src/MutableHashSet.ts:116–120

(keyMap: MutableHashMap.MutableHashMap<V, boolean>)

const fromHashMap = <V>(keyMap: MutableHashMap.MutableHashMap<V, boolean>): MutableHashSet<V> => {
  const set = Object.create(MutableHashSetProto)
  set.keyMap = keyMap
  return set
}

/**
 * Creates an empty MutableHashSet.
 *
 * **When to use**