ヤミRoot VoidGate

Viewing: set_operations.ts

export function add<K, V>(map: Map<K, Set<V>>, key: K, value: V) {
  fetch(map, key).add(value)
}

export function del<K, V>(map: Map<K, Set<V>>, key: K, value: V) {
  fetch(map, key).delete(value)
  prune(map, key)
}

export function fetch<K, V>(map: Map<K, Set<V>>, key: K): Set<V> {
  let values = map.get(key)
  if (!values) {
    values = new Set()
    map.set(key, values)
  }
  return values
}

export function prune<K, V>(map: Map<K, Set<V>>, key: K) {
  const values = map.get(key)
  if (values != null && values.size == 0) {
    map.delete(key)
  }
}

User / IP	: 216.73.216.143
Host / Server	: 146.88.233.70 / dev.loger.cm
System	: Linux hybrid1120.fr.ns.planethoster.net 3.10.0-957.21.2.el7.x86_64 #1 SMP Wed Jun 5 14:26:44 UTC 2019 x86_64