Preprocessor Macros: Difference between revisions

Preprocessor Macros (view source)

110 bytes added , 10 May 2020

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 ==Include Guard==
-For most modern compilers (VS Code, gcc, llvm), you can just add a <code>#pragma once</code> at the top.
+For most modern compilers (MS Visual C++, GCC, Clang/llvm), you can just add a <code>#pragma once</code> at the top.<br>
-Note that this is not defined in the standard.
+Note that this is not defined in the standard.<br>
+See [[Wikipedia: pragma once#Portability]] to see a list of compilers which support this.
 For older compilers: