Re: [boost] My Beast Review

Subject: Re: [boost] My Beast Review
From: Phil Endecott (spam_from_boost_dev_at_[hidden])
Date: 2017-07-12 00:36:54

Nik Bougalis wrote:
> Your criticism of custom reimplementations of things like isdigit
> isn't entirely off the mark. Such things should be avoided almost
> always, and when reimplemented, there should be a clear and convincing
> reason. Maybe that's the case here, maybe it isn't - that's a
> legitimate concern and a fair one to bring up.
>
> But have you considered, for example, the fact that std::isdigit can
> return true for digits other than 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9?
> According to cppreference, "some implementations (e.g. Microsoft in
> 1252 codepage) may classify additional single-byte characters as
> digits"

Yes, I dislike std locale-related things for this reason.  If there
were std::is_ascii_digit() I'd use it.

I was actually surprised by the result that I got for std::isdigit,
which I only tried as an afterthought.

Regards, Phil.