Constant integer-typed (including enumeration-typed) object declarations in C that are immediately initialized with an integer constant expression should just be constant expressions. That’s it.

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The post discusses the proposal to upgrade constant integer-typed object declarations that are initialized with constant expressions in C. The upgrade aims to make these declarations constant expressions and bring them in line with C++ standards. The proposal has been made in C23, and the post highlights the motivation, constraints, and potential benefits of the upgrade.

Constant Integer Type Declarations Initilized With Constant Expressions Should Be Constants