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Show the friendly qualified name for free variable error msg

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Timothy Clem 2018-03-15 15:06:27 -07:00
parent 6f738ee625
commit f72d7f20df
1 changed files with 1 additions and 1 deletions
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src/Data/Syntax.hs
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@ -110,7 +110,7 @@ instance Show1 Identifier where liftShowsPrec = genericLiftShowsPrec
instance Evaluatable Identifier where
eval (Identifier name) = do
env <- askLocalEnv
maybe (fail ("free variable: " <> show name)) deref (envLookup name env)
maybe (fail ("free variable: " <> show (friendlyName name))) deref (envLookup name env)
instance FreeVariables1 Identifier where
liftFreeVariables _ (Identifier x) = Set.singleton x