Headers and Include Mechanism
Headers (.h, .hpp) contain declarations that are shared across multiple source files. The #include directive copies header contents into source files during preprocessing.
Headers (.h, .hpp) contain declarations that are shared across multiple source files. The #include directive copies header contents into source files during preprocessing.
pragma once
The preprocessor is a text manipulation tool that runs before compilation. It handles #include, #define, #ifdef, and other directives, producing pure C++ code for the compiler.