Weak References

• Введение
• Установка и настройка
  • Требования
  • Установка
  • Типы ресурсов
• WeakRef — The WeakRef class
  • Weakref::acquire — Acquires a strong reference on that object
  • Weakref::__construct — Constructs a new weak reference
  • Weakref::get — Returns the object pointed to by the weak reference
  • Weakref::release — Releases a previously acquired reference
  • Weakref::valid — Checks whether the object referenced still exists
• WeakMap — The WeakMap class
  • WeakMap::__construct — Constructs a new map
  • WeakMap::count — Counts the number of live entries in the map
  • WeakMap::current — Returns the current value under iteration
  • WeakMap::key — Returns the current key under iteration.
  • WeakMap::next — Advances to the next map element
  • WeakMap::offsetExists — Checks whether a certain object is in the map
  • WeakMap::offsetGet — Returns the value pointed to by a certain object
  • WeakMap::offsetSet — Updates the map with a new key-value pair
  • WeakMap::offsetUnset — Removes an entry from the map
  • WeakMap::rewind — Rewinds the iterator to the beginning of the map
  • WeakMap::valid — Returns whether the iterator is still on a valid map element

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Описание класса book, примеры использования класса book.

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