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-rw-r--r--frontend/hashtable.icl3
1 files changed, 3 insertions, 0 deletions
diff --git a/frontend/hashtable.icl b/frontend/hashtable.icl
index b5e8552..ec4d099 100644
--- a/frontend/hashtable.icl
+++ b/frontend/hashtable.icl
@@ -23,6 +23,7 @@ import predef, syntax, compare_types, compare_constructor
| IC_InstanceMember ![Type]
| IC_Generic
| IC_GenericCase !Type
+ | IC_GenericDeriveClass !Type
| IC_TypeExtension !{#Char}/*module name*/
| IC_Unknown
@@ -45,6 +46,8 @@ where
= compare_types types1 types2
(=<) (IC_GenericCase type1) (IC_GenericCase type2)
= type1 =< type2
+ (=<) (IC_GenericDeriveClass type1) (IC_GenericDeriveClass type2)
+ = type1 =< type2
(=<) (IC_Field typ_id1) (IC_Field typ_id2)
= typ_id1 =< typ_id2
(=<) (IC_TypeExtension module_name1) (IC_TypeExtension module_name2)