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From: Thiago Adams <thiago.adams@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: constexpr keyword is unnecessary
Date: Sat, 19 Oct 2024 12:18:04 -0300
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Em 10/18/2024 8:54 PM, Keith Thompson escreveu:
> Thiago Adams <thiago.adams@gmail.com> writes:
>> I think constexpr keyword is unnecessary.
> 
> Sure, most language features are strictly unnecessary.
> 
>> Anything you do with it could/should be done with const.
> 
> No, absolutely not.
> 

If not, do you have a sample where, using "const" as "constexpr", would 
create problems?

The sample I know is VLA.

const int c = 2;
int a[c]; //a is VLA because c is not a constant expression.


But this is not enough to convince me because it is better not to be a 
VLA here.