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C++ keyword: module (since C++20)

Usage

Example

module;            // starts a global module fragment
 
#include <string>
 
export module foo; // ends a global module fragment
                   // declares the primary module interface unit for named module 'foo'
                   // starts a module unit purview
 
export std::string f();
 
module :private;   // ends the portion of the module interface unit that
                   // can affect the behavior of other translation units
                   // starts a private module fragment
 
std::string f()
{
    return "foo";
}

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