Essential C++ Core Concepts for Technical Interviews
Preprocessor Macros versus Compile-Time Constants
Preprocessor directives like #define perform raw text substitution during compilation preprocessing. They bypass type checking, lack scope boundaries, and can cause macro expansion side effects. Conversely, const variables are evaluated by the compiler with strict type safety. Macros duplicate l ...
Posted on Tue, 01 Sep 2026 16:24:18 +0000 by Kia