Subject: Re: [boost] Heads up - string_ref landing
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2012-11-17 17:34:02
On November 18, 2012 1:29:06 AM Mathias Gaunard
<mathias.gaunard_at_[hidden]> wrote:
> On 16/11/12 15:50, Maxim Yanchenko wrote:
> > Mathias Gaunard <mathias.gaunard <at> ens-lyon.org> writes:
> >
> >>> If this is all you need, just use plain references.
> >>
> >> void f(std::string const&);
> >> f("Olaf");
> >>
> >> does make a useless copy.
> >
> > OK. I thought you were talking about Olaf's desire to have implicit
> conversion
> > from std::string.
> > For this we use just
> > f(char_range::literal("Olaf"));
>
> basic_string_ref<T> is meant to when being implicitly constructed from a
> T(&)[N] or T const* that it is null-terminated.
>
> I don't even understand why people are still discussing this and making
> ridiculous proposals.
> If you want the above use boost::iterator_range<char*>.
>
There is no way to safely detect a string literal, so unless you want
to strlen it anyway the construction has to be explicit.