Replace compile-time polymorphism with runtime polymorphism in the conversion system

1 files changed, 22 insertions, 0 deletions

diff --git a/src/mbgl/style/conversion/position.cpp b/src/mbgl/style/conversion/position.cpp
new file mode 100644
index 0000000000..702d250dbf
--- /dev/null
+++ b/src/mbgl/style/conversion/position.cpp
@@ -0,0 +1,22 @@
+#include <mbgl/style/conversion/position.hpp>
+#include <mbgl/style/conversion/constant.hpp>
+
+#include <array>
+
+namespace mbgl {
+namespace style {
+namespace conversion {
+
+optional<Position> Converter<Position>::operator()(const Convertible& value, Error& error) const {
+    optional<std::array<float, 3>> spherical = convert<std::array<float, 3>>(value, error);
+
+    if (!spherical) {
+        return {};
+    }
+
+    return Position(*spherical);
+}
+
+} // namespace conversion
+} // namespace style
+} // namespace mbgl