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A Practical Introduction to C++20's Modules
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- 1 VIRTUAL EVENT A Practical Introduction to C++20's Modules
- 2 Modular Programming Modules separate a program into independent and interchangeable units • Modules hide the actual implementation and possibly data and • A module is not a package
- 3 Module Names A number of identifiers joined by does
- 4 Modules and Namespaces
- 5 Module Partitions
- 6 Private Module Fragment • Keep interface and implementation separate without having multiple files • modification of the private module fragment cannot trigger recompilation of importers of the modul…
- 7 Global Module Everything must be attached to a module declared in a module
- 8 What Can Be Exported? variables classes, structs, functions, namespaces, template function classes, concepts
- 9 Implicit Exports
- 10 include and modules including a header in the module purview is not a good idea
- 11 Global Module Fragment . Only preprocessor directives allowed • Declarations not used in the named module are discarded and not • Use for headers which rely preprocessor state from the includer
- 12 Header Units
- 13 Advice for Headers Your own header. Try to convert it into a module including in the global module fragment
- 14 Advantages encapsulation and information hiding
- 15 Advice Visual Studio users: Use and leam modules with small hobby side projects all others: Wait for compiler and build system support
