Modules (since C++20)
From cppreference.com
Modules help divide large amounts of code into logical parts.
Modules are orthogonal to namespaces.
// helloworld.cpp export module helloworld; // module declaration import <iostream>; // import declaration export void hello() { // export declaration std::cout << "Hello world!\n"; }
// main.cpp import helloworld; // import declaration int main() { hello(); }
Syntax
export(optional) module module-name module-partition(optional) attr(optional) ;
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export declaration
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export { declaration-seq(optional) }
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export(optional) import module-name attr(optional) ;
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export(optional) import module-partition attr(optional) ;
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export(optional) import header-name attr(optional) ;
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module ;
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module : private ;
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1) Module declaration. Declares that the current translation unit is a module unit.
2,3) Export declaration. Export all namespace-scope declarations in declaration or declaration-seq.
4,5,6) Import declaration. Import a module unit/module partition/header unit.
7) Starts a global module fragment.
8) Starts a private module fragment.
| This section is incomplete |