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in the ai command don't show the fun keyword if there aren't any functions.

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krasimir
2009-06-18 17:44:29 +00:00
parent a33f1bd3c5
commit b0283d31a2
1 changed files with 5 additions and 3 deletions
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8
src/GF/Command/Commands.hs
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@@ -610,9 +610,11 @@ allCommands cod env@(pgf, mos) = Map.fromList [
Nothing -> case Map.lookup id (cats (abstract pgf)) of
Just hyps -> do return $ fromString $
render (text "cat" <+> text (prCId id) <+> hsep (map ppHypo hyps) $$
space $$
text "fun" <+> vcat [text (prCId fid) <+> colon <+> ppType 0 ty
| (fid,ty) <- functionsToCat pgf id])
if null (functionsToCat pgf id)
then empty
else space $$
text "fun" <+> vcat [text (prCId fid) <+> colon <+> ppType 0 ty
| (fid,ty) <- functionsToCat pgf id])
Nothing -> do putStrLn "unknown identifier"
return void
_ -> do putStrLn "a single identifier is expected from the command"