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Subject: Re: consteval functions and constexpr parameters
From: language.lawyer_at_[hidden]
Date: 2021-01-06 07:19:52


On 06/01/2021 16:04, Yongwei Wu via Std-Discussion wrote:
> As outlined in this article
> https://mpark.github.io/programming/2017/05/26/constexpr-function-parameters/,
> C++ does not have constexpr parameters—we cannot use the arguments in a
> constexpr function as constexpr variables. That rules out many valid
> usages, and we had to use ugly hacks. Now we have consteval in C++20, and
> consteval functions are supposed to be evaluated only at compile time, is
> there any obstacle to regarding their parameters as constexpr?
> Is there a real technical difficulty, or is it only that no one has
> proposed it?
> Best regards,
> Yongwei

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