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author | zheng_wenlong <wenlong_zheng@nexty-ele.com> | 2018-11-14 12:50:56 +0900 |
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committer | zheng_wenlong <wenlong_zheng@nexty-ele.com> | 2018-11-14 12:50:56 +0900 |
commit | 5d98ec36d66db8897f7e3e5120b43c50f379baea (patch) | |
tree | 361fb59acf02391203101c3a59aa49c813ecb550 /demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp | |
parent | 110215ad40cd0c24ed5ae70430e45304d5c60fe1 (diff) |
Add tbtnavi for vertical mode
Add tbtnavi for vertical mode.
This application use waltham transmitter send video to horizontal mode.
Change-Id: Icc8bb14f9c83439d90f28d0960e435a43a5e5245
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>
Diffstat (limited to 'demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp')
-rw-r--r-- | demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp b/demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp new file mode 100644 index 0000000..1456cc5 --- /dev/null +++ b/demo3/vertical/tbtnavi_demo/include/mapbox/variant_io.hpp @@ -0,0 +1,45 @@ +#ifndef MAPBOX_UTIL_VARIANT_IO_HPP +#define MAPBOX_UTIL_VARIANT_IO_HPP + +#include <iosfwd> + +#include <mapbox/variant.hpp> + +namespace mapbox { +namespace util { + +namespace detail { +// operator<< helper +template <typename Out> +class printer +{ +public: + explicit printer(Out& out) + : out_(out) {} + printer& operator=(printer const&) = delete; + + // visitor + template <typename T> + void operator()(T const& operand) const + { + out_ << operand; + } + +private: + Out& out_; +}; +} + +// operator<< +template <typename CharT, typename Traits, typename... Types> +VARIANT_INLINE std::basic_ostream<CharT, Traits>& +operator<<(std::basic_ostream<CharT, Traits>& out, variant<Types...> const& rhs) +{ + detail::printer<std::basic_ostream<CharT, Traits>> visitor(out); + apply_visitor(visitor, rhs); + return out; +} +} // namespace util +} // namespace mapbox + +#endif // MAPBOX_UTIL_VARIANT_IO_HPP |