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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_visitor.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_visitor.hpp')
-rw-r--r-- | demo3/vertical/tbtnavi_demo/include/mapbox/variant_visitor.hpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/demo3/vertical/tbtnavi_demo/include/mapbox/variant_visitor.hpp b/demo3/vertical/tbtnavi_demo/include/mapbox/variant_visitor.hpp new file mode 100644 index 0000000..481eb65 --- /dev/null +++ b/demo3/vertical/tbtnavi_demo/include/mapbox/variant_visitor.hpp @@ -0,0 +1,38 @@ +#ifndef MAPBOX_UTIL_VARIANT_VISITOR_HPP +#define MAPBOX_UTIL_VARIANT_VISITOR_HPP + +namespace mapbox { +namespace util { + +template <typename... Fns> +struct visitor; + +template <typename Fn> +struct visitor<Fn> : Fn +{ + using type = Fn; + using Fn::operator(); + + visitor(Fn fn) : Fn(fn) {} +}; + +template <typename Fn, typename... Fns> +struct visitor<Fn, Fns...> : Fn, visitor<Fns...> +{ + using type = visitor; + using Fn::operator(); + using visitor<Fns...>::operator(); + + visitor(Fn fn, Fns... fns) : Fn(fn), visitor<Fns...>(fns...) {} +}; + +template <typename... Fns> +visitor<Fns...> make_visitor(Fns... fns) +{ + return visitor<Fns...>(fns...); +} + +} // namespace util +} // namespace mapbox + +#endif // MAPBOX_UTIL_VARIANT_VISITOR_HPP |