using boost::spirit::x3::parse;
using boost::spirit::x3::ureal_policies;
- real_parser<double, ureal_policies<double> > udouble;
+ constexpr real_parser<double, ureal_policies<double> > udouble;
double d;
+ BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(udouble);
+
BOOST_TEST(test("1234", udouble));
BOOST_TEST(test_attr("1234", udouble, d) && compare(d, 1234));