1 files changed, 18 insertions, 1 deletions
diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index 5aff41988..e3b05ec00 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -34,7 +34,7 @@ static bool isAssociatedTypeDecl(Decl* decl)
     return false;
 }
 
-static bool isSlang2026OrLater(SemanticsVisitor* visitor)
+bool isSlang2026OrLater(SemanticsVisitor* visitor)
 {
     return visitor->getShared()->m_module->getModuleDecl()->languageVersion >=
            SLANG_LANGUAGE_VERSION_2026;
@@ -1604,6 +1604,23 @@ EnumDecl* isEnumType(Type* type)
     return nullptr;
 }
 
+bool isNullableType(Type* type)
+{
+    if (as<PtrTypeBase>(type))
+        return true;
+    if (isDeclRefTypeOf<InterfaceDecl>(type))
+        return true;
+    if (isDeclRefTypeOf<ClassDecl>(type))
+        return true;
+    if (as<OptionalType>(type))
+        return true;
+    if (as<RefTypeBase>(type))
+        return true;
+    if (as<NativeStringType>(type))
+        return true;
+    return false;
+}
+
 bool SemanticsVisitor::shouldSkipChecking(Decl* decl, DeclCheckState state)
 {
     if (state < DeclCheckState::DefinitionChecked)