| 77 | //[tutorial_karma_complex_number_adapt |
| 78 | template <typename OutputIterator> |
| 79 | bool generate_complex(OutputIterator sink, std::complex<double> const& c) |
| 80 | { |
| 81 | using boost::spirit::karma::double_; |
| 82 | using boost::spirit::karma::bool_; |
| 83 | using boost::spirit::karma::true_; |
| 84 | using boost::spirit::karma::omit; |
| 85 | using boost::spirit::karma::generate; |
| 86 | |
| 87 | return generate(sink, |
| 88 | |
| 89 | // Begin grammar |
| 90 | ( |
| 91 | &true_ << '(' << double_ << ", " << double_ << ')' |
| 92 | | omit[bool_] << double_ << omit[double_] |
| 93 | ), |
| 94 | // End grammar |
| 95 | |
| 96 | c // Data to output |
| 97 | ); |
| 98 | } |
| 99 | //] |
| 100 | } |
| 101 | |