Re: Boost Spirit and VS2017

Michael Powell wrote:
> Hello,
>
> I am receiving the following error building against the latest VS2017 ...
>
> 1>Version_Parser.cpp
> 1>d:\dev\boost.org\boost_1_68_0\boost\iostreams\positioning.hpp(96):
> error C4996: 'std::fpos<_Mbstatet>::seekpos': warning STL4019: The
> member std::fpos::seekpos() is non-Standard....

building with v141, not the latest and 
_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS

I get no errors or warnings. on the other hand, I think you want your 
parser to look like:
_major_part >> _minor_part >> -_patch_part >> -_build_par

At that, if using v141, why not just use x3? It is so much easier on the 
eyes.
Best, Dan.

.....................................................................................
using namespace boost::spirit::x3;
struct version
{
     short _major= 0;
     short _minor= 0;
     short _patch= 0;
     short _build= 0;

};
BOOST_FUSION_ADAPT_STRUCT(version, _major, _minor,  _patch, _build);

auto const part = rule<struct _, short>("part") = int_ >> -lit(".");
auto const ver = rule<struct ver_def, version>("ver") = part >> part >> 
-part >> -part;

void test(const char* in)
{
     std::string str(in);
     version vers;
     auto begin = str.begin();
     phrase_parse(begin, end(str), ver, space, vers);

     std::cout << "end: " << begin
         << "* " << vers._major
         << " " << vers._minor
         << " " << vers._patch
         << " " << vers._build
         << std::endl;
}

int main()
{
     test("1. 2.3. 4");
     test("1 . 2");
     return 0;
}


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