1 files changed, 10 insertions, 0 deletions
diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index 5190f8c0e..4f8dd3dc5 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -1329,6 +1329,16 @@ namespace Slang
         return arrayType->isUnsized();
     }
 
+    bool isInterfaceType(Type* type)
+    {
+        if (auto declRefType = as<DeclRefType>(type))
+        {
+            if (auto interfaceDeclRef = declRefType->getDeclRef().as<InterfaceDecl>())
+                return true;
+        }
+        return false;
+    }
+
     EnumDecl* isEnumType(Type* type)
     {
         if (auto declRefType = as<DeclRefType>(type))