Imports

Types

WeakRef*[T] = ref object of RootObj target: pointer: Weak reference pointing to object of type T. Source Edit
WeakRefable*[T] = ref object of RootObj obj*: ref T freeCallback: CallbackWrapper[T] weakRef: WeakRef[T]: Source Edit

proc newWeakRefable*[T](val: ref T; freeCallback: proc (v: ref T) = nil): WeakRefable[T]

Create a new object of type T. Invoke freeCallback when the object is freed. Source Edit

proc weakRef*[T](t: WeakRefable[T]): WeakRef[T]

Convert a strong reference to a weak reference. Source Edit

proc rawPointer*[T](r: WeakRef[T]): pointer

Get object pointer to by this weak reference as a raw pointer. Source Edit

proc isAlive*[T](r: WeakRef[T]): bool

Check if this weak reference points to an object that is alive. Source Edit

proc lock*[T](r: WeakRef[T]): WeakRefable[T]

Convert a weak reference to a strong reference.

Raises exception if object is not alive.