[core] Enable property functions for line-width (#9250)

1 files changed, 12 insertions, 1 deletions

diff --git a/src/mbgl/style/properties.hpp b/src/mbgl/style/properties.hpp
index 24ac030541..e42beac97a 100644
--- a/src/mbgl/style/properties.hpp
+++ b/src/mbgl/style/properties.hpp
@@ -130,7 +130,10 @@ public:
 
     class PossiblyEvaluated : public Tuple<PossiblyEvaluatedTypes> {
     public:
-        using Tuple<PossiblyEvaluatedTypes>::Tuple;
+        template <class... Us>
+        PossiblyEvaluated(Us&&... us)
+            : Tuple<PossiblyEvaluatedTypes>(std::forward<Us>(us)...) {
+        }
 
         template <class T>
         static T evaluate(float, const GeometryTileFeature&, const T& t, const T&) {
@@ -214,5 +217,13 @@ public:
     };
 };
 
+template <class...>
+struct ConcatenateProperties;
+
+template <class... As, class... Bs>
+struct ConcatenateProperties<TypeList<As...>, TypeList<Bs...>> {
+    using Type = Properties<As..., Bs...>;
+};
+
 } // namespace style
 } // namespace mbgl