...

compiler/NubLang/Generation/CType.cs

@@ -18,7 +18,7 @@ public static class CType
             NubConstArrayType arr => CreateConstArrayType(arr, variableName, constArraysAsPointers),
             NubArrayType arr => CreateArrayType(arr, variableName),
             NubFuncType fn => CreateFuncType(fn, variableName),
-            NubStructType st => $"struct {st.Module}_{st.Name}" + (variableName != null ? $" {variableName}" : ""),
+            NubStructType st => $"struct {st.Module}_{st.Name}_{NameMangler.Mangle(st)}" + (variableName != null ? $" {variableName}" : ""),
             _ => throw new NotSupportedException($"C type generation not supported for: {type}")
         };
     }

compiler/NubLang/Generation/Generator.cs

@@ -29,11 +29,6 @@ public class Generator
         return externSymbol ?? $"{module}_{name}";
     }
 
-    private static string StructName(string module, string name)
-    {
-        return $"{module}_{name}";
-    }
-
     public string Emit()
     {
         _writer.WriteLine("""
@@ -53,7 +48,7 @@ public class Generator
 
         foreach (var structType in _compilationUnit.ImportedStructTypes)
         {
-            _writer.WriteLine($"struct {StructName(structType.Module, structType.Name)}");
+            _writer.WriteLine(CType.Create(structType));
             _writer.WriteLine("{");
             using (_writer.Indent())
             {