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| author | krasimir <krasimir@chalmers.se> | 2009-06-18 17:44:29 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2009-06-18 17:44:29 +0000 |
| commit | 13232a5e8125bfcb9a3c03ec0764b41500163c76 (patch) | |
| tree | 6c141e48d04d4e4c578175c6aa23c8c5f5d7a392 /src/GF/Command | |
| parent | d2dd0830f1743592cf2a78353abaf83af351e331 (diff) | |
in the ai command don't show the fun keyword if there aren't any functions.
Diffstat (limited to 'src/GF/Command')
| -rw-r--r-- | src/GF/Command/Commands.hs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/GF/Command/Commands.hs b/src/GF/Command/Commands.hs index 2c30b89d0..7ea046cbb 100644 --- a/src/GF/Command/Commands.hs +++ b/src/GF/Command/Commands.hs @@ -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" |