[project @ 2003-02-18 15:42:59 by simonpj]

Comments only

diff --git a/ghc/compiler/typecheck/TcClassDcl.lhs b/ghc/compiler/typecheck/TcClassDcl.lhs
index 639b772..2149943 100644 (file)
--- a/ghc/compiler/typecheck/TcClassDcl.lhs
+++ b/ghc/compiler/typecheck/TcClassDcl.lhs
@@ -150,6 +150,9 @@ tcClassDecl1 (ClassDecl {tcdCtxt = context, tcdName = class_name,
         sc_tys            = mkPredTys sc_theta
        dict_component_tys = sc_tys ++ op_tys
         sc_sel_ids        = [mkDictSelId sc_name clas | sc_name <- sc_sel_names]
+       -- Slightly curiously, the dictionary selectors are treated as RecordSelectorIds,
+       -- so they are treated as implicit Ids, but we don't give labelled fields to 
+       -- the data constructors
     in
     tcMkDataCon datacon_name
                [{- No strictness -}]