...

compiler/NubType.cs

@@ -135,6 +135,32 @@ public class NubTypeEnum : NubType
     public override string ToString() => $"enum {Module}::{Name}";
 }
 
+public class NubTypeEnumVariant : NubType
+{
+    private static readonly Dictionary<(string Module, string EnumName, string VariantName), NubTypeEnumVariant> Cache = new();
+
+    public static NubTypeEnumVariant Get(string module, string enumName, string variantName)
+    {
+        if (!Cache.TryGetValue((module, enumName, variantName), out var enumType))
+            Cache[(module, enumName, variantName)] = enumType = new NubTypeEnumVariant(module, enumName, variantName);
+
+        return enumType;
+    }
+
+    private NubTypeEnumVariant(string module, string enumName, string variantName)
+    {
+        Module = module;
+        EnumName = enumName;
+        VariantName = variantName;
+    }
+
+    public string Module { get; }
+    public string EnumName { get; }
+    public string VariantName { get; }
+
+    public override string ToString() => $"enum {Module}::{EnumName}.{VariantName}";
+}
+
 public class NubTypePointer : NubType
 {
     private static readonly Dictionary<NubType, NubTypePointer> Cache = new();