1 files changed, 22 insertions, 0 deletions
diff --git a/platform/darwin/src/NSNumber+MGLStyleAttributeAdditions.mm b/platform/darwin/src/NSNumber+MGLStyleAttributeAdditions.mm
new file mode 100644
index 0000000000..163105d2fa
--- /dev/null
+++ b/platform/darwin/src/NSNumber+MGLStyleAttributeAdditions.mm
@@ -0,0 +1,22 @@
+#import "NSNumber+MGLStyleAttributeAdditions.h"
+
+#include <mbgl/style/property_value.hpp>
+
+@implementation NSNumber (MGLStyleAttributeAdditions)
+
+- (NSNumber *)numberValue
+{
+    return self;
+}
+
+- (mbgl::style::PropertyValue<bool>)mbgl_boolPropertyValue
+{
+    return mbgl::style::PropertyValue<bool> { !!self.boolValue };
+}
+
+- (mbgl::style::PropertyValue<float>)mbgl_floatPropertyValue
+{
+    return mbgl::style::PropertyValue<float> { self.floatValue };
+}
+
+@end