Function beginMutation

packages/effect/src/internal/hashMap.ts:1064–1067

(self: HashMap<K, V>)

/** @internal */
export const beginMutation = <K, V>(self: HashMap<K, V>): HashMap<K, V> => {
  const impl = self as HashMapImpl<K, V>
  return new HashMapImpl(true, impl._edit + 1, impl._root, impl._size)
}

/** @internal */
export const endMutation = <K, V>(self: HashMap<K, V>): HashMap<K, V> => {