1 files changed, 20 insertions, 0 deletions
diff --git a/src/mbgl/style/conversion/rotation.cpp b/src/mbgl/style/conversion/rotation.cpp
new file mode 100644
index 0000000000..9b382b7400
--- /dev/null
+++ b/src/mbgl/style/conversion/rotation.cpp
@@ -0,0 +1,20 @@
+#include <mbgl/style/conversion/rotation.hpp>
+#include <mbgl/style/conversion/constant.hpp>
+#include <mbgl/style/conversion_impl.hpp>
+
+namespace mbgl {
+namespace style {
+namespace conversion {
+
+optional<style::Rotation> Converter<style::Rotation>::operator()(const Convertible& value, Error& error) const {
+    optional<double> converted = toDouble(value);
+    if (!converted) {
+        error.message = "value must be a number";
+        return nullopt;
+    }
+    return {*converted};
+}
+
+} // namespace conversion
+} // namespace style
+} // namespace mbgl