Re: [boost] [conversion] try_lexical_cast and 200$

Subject: Re: [boost] [conversion] try_lexical_cast and 200$
From: Joshua Boyce (raptorfactor_at_[hidden])
Date: 2013-12-12 23:17:33

On Fri, Dec 13, 2013 at 11:31 AM, Matt Calabrese <rivorus_at_[hidden]> wrote:

> On Thu, Dec 12, 2013 at 4:12 PM, Eric Niebler <eniebler_at_[hidden]> wrote:
>
> > On 12/12/2013 9:35 AM, Matt Calabrese wrote:
> > > A little hackish, but:
> > >
> > > http://codepaste.net/py5ot3
> >
> > template< class T, int = 0, class S >
> > boost::optional<T> lexical_cast( S const&, std::nothrow_t );
> >
> > Is that even legal?! A non-defaulted template parameter after a
> > defaulted one? <boggle> How will this fare on older compilers, I wonder.
>
>
> Yeah. I think it's worked on GCC and Clang ever since they've supported
> defaults for function template parameters, but I could be mistaken. I don't
> know about other compilers.
>
>
>
Works under MSVC 2013 also.