wip

Author: majocha

src/Compiler/Checking/TypeRelations.fs

@@ -25,7 +25,7 @@ type CanCoerce =
     | CanCoerce
     | NoCoerce
 
-[<NoComparison>]
+[<Struct; NoComparison>]
 type TTypeCacheKey =
     | TTypeCacheKey of TypeStructural.TypeStructure * TypeStructural.TypeStructure * CanCoerce
     static member Create(ty1, ty2, canCoerce) =