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reordered error message for 'no overload'; might be even better to show complete types

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Aarne Ranta
2019-05-20 15:58:47 +02:00
parent 7a3efdfeb9
commit b7249adf63
1 changed files with 6 additions and 5 deletions
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11
src/compiler/GF/Compile/TypeCheck/RConcrete.hs
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@@ -360,12 +360,13 @@ getOverload gr g mt ot = case appForm ot of
nest 2 (showTypes pre)
return (mkApp fun tts, val)
([],[]) -> do
checkError $ "no overload instance of" <+> ppTerm Unqualified 0 f $$
"for" $$
checkError $ "no overload instance of" <+> ppTerm Qualified 0 f $$
maybe empty (\x -> "with value type" <+> ppType x) mt $$
"for argument list" $$
nest 2 stysError $$
"among" $$
nest 2 (vcat stypsError) $$
maybe empty (\x -> "with value type" <+> ppType x) mt
"among alternatives" $$
nest 2 (vcat stypsError)
(vfs1,vfs2) -> case (noProds vfs1,noProds vfs2) of
([(val,fun)],_) -> do