Chapter 29. Tying Variables

tie var, classname, [ list ]

Ties a variable to a class that will handle it. list is passed to the class constructor.

tied var

Returns a reference to the object underlying var, or undef if var is not tied to a class.

untie var

Breaks the binding between the variable and the class. Calls an UNTIE method if provided.

A class implementing a tied scalar should define the methods TIESCALAR, DESTROY, FETCH, and STORE.