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Table of Contents
4. Standard Units
4.67. System - Built-in routines
4.67.2. System Unit Procedures and Functions
4.67.2.7. Assigned function
4.67.2.7. Assigned function
Targets: MS-DOS, Win32
System Unit
Tests to determine if a pointer or procedural variable is nil.
Declaration:
function Assigned(var P): Boolean;
Remarks:
P must be a variable reference of a pointer or procedural type.
Assigned (P) corresponds to the test P <> nil
for a pointer variable, and @P <> nil
for a procedural variable. Returns TRUE if P is nil,
FALSE otherwise.
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