Ctypes_weak_ref
A single-cell variant of the weak arrays in the standard library.
exception EmptyWeakReference
An expired weak reference was accessed.
type 'a t
The type of weak references..
val make : 'a -> 'a t
Obtain a weak reference from a strong reference.
val set : 'a t -> 'a -> unit
Update a weak reference.
val get : 'a t -> 'a
Obtain a strong reference from a weak reference.
val is_empty : 'a t -> bool
Whether a weak reference is still live.