PRESENT

Platform

x64, Win32, .NET

Purpose

To determine whether an optional argument is present.

Class

Inquiry function.

Syntax

LOGICAL FUNCTION PRESENT(A)

Description

The argument A is the name of an optional dummy argument in the current subprogram. It may be of any type, a scalar or an array, and it may be a pointer. It may also be the (dummy) name of a procedure. There is no assumed INTENT attribute for A.

Return value

The result has the value true if the optional argument A is present in the current call to the subprogram and otherwise has the value false.

 

 

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