Directive (programming): Difference between revisions

Revision as of 19:21, 15 November 2024

Revision as of 01:24, 22 February 2025

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

All preprocessor commands begin with a hash symbol (#) with the exception of the keywords <code>export</code>, <code>import</code> and <code>module directives</code> in [[C++]] (handled by the preprocessor prior to [[C++26]]).<ref>{{cite web|url=https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1857r1.html|title=P1857R1 - Modules Dependency Discovery}}</ref>

==History==