hpp files

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  1. Header Guard: The first step in a .hpp file is to include a header guard. This is done to prevent multiple inclusions of the same file, which can cause compilation errors. The header guard typically uses conditional compilation directives like #ifndef, #define, and #endif.

  2. Include Statements: After the header guard, the .hpp file should include any necessary header files. These include statements allow the use of functions, classes, or other components defined in those header files.

  3. Namespace Declaration: If the .hpp file requires the use of a specific namespace, a namespace declaration should be included. This allows the use of names within that namespace without explicitly specifying it each time.

  4. Class Declaration: The main part of a .hpp file is the declaration of a class. This includes the class name, member variables, member functions, constructors, and any other relevant declarations. The class declaration typically ends with a semicolon.

  5. Inline Function Definitions: If the .hpp file contains inline functions, their definitions are included within the class declaration itself. Inline functions are small and simple functions that are expanded by the compiler at the place where they are called, instead of being executed as a separate function call.

  6. Template Definitions: If the .hpp file contains template classes or functions, their definitions are included within the class declaration as well. Template definitions allow for the creation of generic classes or functions that can be instantiated with different types at compile-time.

  7. Inline Member Function Definitions: Similar to inline function definitions, inline member functions are defined within the class declaration. These member functions are typically small and simple, and their definitions are included directly in the class declaration.

  8. Header File End: Finally, the .hpp file ends with the closing brace of the class declaration and any necessary closing statements.

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