RT++ --- Tutorial and Reference Manual -- \code{Null()}: Test for Unbound Pointer

$\"\"$ $\"\"$ $\"\"$
Go backward to init(): Unbinding a Pointer
Go up to General
Go forward to Pointer(): Duplication

unbound = Null(p)
int unbound
Pointer<T> p

Specification: Returns 1 if p is not bound to any object and 1 else.

Complexity: $O(1)$ .

Author: Wolfgang Schreiner
Last Modification: April 12, 1997