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From: Bonita Montero <Bonita.Montero@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: constexpr keyword is unnecessary
Date: Sun, 13 Oct 2024 14:58:24 +0200
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In-Reply-To: <vegevc$m5na$1@dont-email.me>

Am 13.10.2024 um 14:38 schrieb Thiago Adams:
> Em 10/13/2024 8:49 AM, Bonita Montero escreveu:
>> Am 13.10.2024 um 13:37 schrieb Thiago Adams:
>>
>>> Yes.
>>> constexpr is like - "require the initializer to be a constant 
>>> expression." But the compiler will have to check it anyway.
>>
>> I cannot understand why you are so militantly against this
>> new language feature that can be understood in 10 seconds.
>>
> 
> I have seen code like this:
> 
> void func()
> {
>     constexpr int c = 1;
>     f(c);
> }
> 
> For some reason, people believe that adding constexpr will magically 
> improve optimization. In reality, it doesn't change anything compared to 
> const and often reflects a misunderstanding of how the compiler works. 
> As a result, I end up having to explain it. In this sense, constexpr is 
> viral and spreads confusion.

constexpr doesn't hurt.