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author | wanglu <wang_lu@dl.cn.nexty-ele.com> | 2019-03-25 09:42:49 +0800 |
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committer | wanglu <wang_lu@dl.cn.nexty-ele.com> | 2019-03-25 09:52:02 +0800 |
commit | 4a8b7a6301e4b093c99329d0a16fbee6c535f312 (patch) | |
tree | fe9f589e1723e8f173b50dfa617374042f4cf7a7 /include/mapbox/geometry/for_each_point.hpp | |
parent | fb539bbd9f7b36d26cd56fe09b804e18b3b3d984 (diff) |
This is a application for display turn by run navigation information.halibut_8.0.0halibut_7.99.3halibut_7.99.2halibut_7.99.1halibut/8.0.0halibut/7.99.3halibut/7.99.2halibut/7.99.18.0.07.99.37.99.27.99.1
Change-Id: I0866a7d9ffa347c0935b4d00259ad1a74cd00d6e
Signed-off-by: wanglu <wang_lu@dl.cn.nexty-ele.com>
Diffstat (limited to 'include/mapbox/geometry/for_each_point.hpp')
-rw-r--r-- | include/mapbox/geometry/for_each_point.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/mapbox/geometry/for_each_point.hpp b/include/mapbox/geometry/for_each_point.hpp new file mode 100644 index 0000000..44d6e77 --- /dev/null +++ b/include/mapbox/geometry/for_each_point.hpp @@ -0,0 +1,45 @@ +#pragma once + +#include <mapbox/geometry/geometry.hpp> + +namespace mapbox { +namespace geometry { + +template <typename Point, typename F> +auto for_each_point(Point&& point, F&& f) + -> decltype(point.x, point.y, void()) +{ + f(std::forward<Point>(point)); +} + +template <typename Container, typename F> +auto for_each_point(Container&& container, F&& f) + -> decltype(container.begin(), container.end(), void()); + +template <typename...Types, typename F> +void for_each_point(mapbox::util::variant<Types...> const& geom, F&& f) +{ + mapbox::util::variant<Types...>::visit(geom, [&] (auto const& g) { + for_each_point(g, f); + }); +} + +template <typename...Types, typename F> +void for_each_point(mapbox::util::variant<Types...> & geom, F&& f) +{ + mapbox::util::variant<Types...>::visit(geom, [&] (auto & g) { + for_each_point(g, f); + }); +} + +template <typename Container, typename F> +auto for_each_point(Container&& container, F&& f) + -> decltype(container.begin(), container.end(), void()) +{ + for (auto& e: container) { + for_each_point(e, f); + } +} + +} // namespace geometry +} // namespace mapbox |