Why intelli suggests to convert macro constants to constexpr auto?

Question

C / C++

Déjà vu

Why intelli suggests to convert macro constants to constexpr auto?

0

03.06.2021

4 ответов

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Déjà vu Автор вопроса

Pavel
Macro constants are bad usually

i just want a simple constant for switch case here, no complex type dangerous situation or anything else. what if i don't want allocate memory for it?

0

03.06.2021

Pavel

Déjà vu
i just want a simple constant for switch case here...

I believe if you don't get address of constexpr variable the compiler can optimize it out anyway

0

03.06.2021

Chandradeep Dey

because macros are not exactly a "part of the language", constexpr is. C++ in recent years has tried to get more and more macro things baked into the language.

0

03.06.2021

Pavel · Accepted Answer

Pavel

Macro constants are bad usually

0

03.06.2021

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