mkVarUnqual calls mkVarOccFS, which constructs an OccName in the
varName namespace. You need to construct your RdrName via mkTyVarOcc,
which picks the Type/Class namespace.
On Tue, Mar 22, 2016 at 5:09 PM, Conal Elliott
I'm trying to construct a dictionary in a GHC plugin. I'm stuck on finding the constructor for the dictionary. When I use `-ddump-simpl` on the module that defines the class, I see "Circat.Rep.C:HasRep". To try finding that constructor, I say
lookupRdrNameInModuleForPlugins hsc_env (mkModuleName "Circat.Rep") (mkVarUnqual "C:HasRep")
However, I keep getting `Nothing` as a result. (Same without the "C:".) I've also had this same difficulty when looking up constructors for algebraic data types and when looking up TyCons. For regular value Ids, lookup succeeds.
What am I missing?
Thanks, - Conal
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