Directive (programming): Difference between revisions

Revision as of 00:03, 27 June 2008

Revision as of 15:37, 1 July 2008

Line 13:

One notable C preprocessor directive is <code>[[pragma once|#pragma once]]</code>, which instructs the compiler to include the current source file only once, making it effectively [[idempotent]], and providing an alternative in C and C++ to [[include guard|#include guards]].

-->

Syntactic constructs similar to C's preprocessor directives, such as [[C Sharp (programming language)|C#]]'s <code>#regionif</code>, are also typically called "directives", although in these cases there may not be any real preprocessing phase involved.

==In other high-level languages==