diff --git a/include/mapbox/geometry_io.hpp b/include/mapbox/geometry_io.hpp index 250bfdc..4f97b38 100644 --- a/include/mapbox/geometry_io.hpp +++ b/include/mapbox/geometry_io.hpp @@ -6,6 +6,7 @@ #include #include #include +#include namespace mapbox { namespace geometry { @@ -21,7 +22,8 @@ std::ostream& operator<<(std::ostream& os, const point& point) return os << '[' << point.x << ',' << point.y << ']'; } -template class C, class... Args> +template class C, class... Args, + typename std::enable_if, point>::value, int>::type = 0> std::ostream& operator<<(std::ostream& os, const C& cont) { os << '[';