Re: Custom containers with Spirit X3 (QString)

Thanks for your help. Your sample does work for me, but unfortunately 
when I try to use a more complex grammar, it breaks down:

//using T = boost::variant<double, std::string>; // Works fine...
using T = boost::variant<double, QString>; // ...not so much

namespace x3 = boost::spirit::x3;

const x3::rule<class Test, T> test = "Test";
const auto test_def = x3::double_ | (*x3::alnum);
BOOST_SPIRIT_DEFINE(test);

int main()
{
     const std::string text("foo");

     auto begin = text.begin();
     const auto end = text.end();

     T result;

     const auto ok = x3::phrase_parse(begin, end, test, x3::space, result);

     return (ok && begin == end);
}

The specific error is:

.../move_to.hpp:115: error: no match for 'operator=' (operand types are 
'boost::variant<double, QString>' and 
'std::remove_reference<std::__cxx11::basic_string<char>&>::type {aka 
std::__cxx11::basic_string<char>}')
              dest = std::move(src);
                   ^

...which is unsurprising really since the types are:
Source = std::__cxx11::basic_string<char>&
Dest = boost::variant<double, QString>

I'm not sure how to proceed. I did think to try and change the /input/ 
type to a QString, but this falls down because spirit doesn't know how 
to deal with QString's iterator value type QChar. Any ideas?

On 16/11/16 18:54, Mike Gresens wrote:
> Hi,
>
> does the following sample code help?
>
> Best regards,
> Mike...
>
>
>
>
>
>
> --
> View this message in context: http://boost.2283326.n4.nabble.com/Custom-containers-with-Spirit-X3-QString-tp4689943p4689955.html
> Sent from the spirit-general mailing list archive at Nabble.com.
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