Commit c2881a23 authored by Ben Gamari's avatar Ben Gamari Committed by Ben Gamari

StgLint: Show constructor arity in mismatch message

Reviewers: austin

Subscribers: rwbarton, thomie

Differential Revision:
parent 6458b8dc
......@@ -490,7 +490,7 @@ mkAlgAltMsg3 :: DataCon -> [Id] -> MsgDoc
mkAlgAltMsg3 con alts
= vcat [
text "In some algebraic case alternative, number of arguments doesn't match constructor:",
ppr con,
ppr con <+> parens (text "arity" <+> ppr (dataConRepArity con)),
ppr alts
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