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| author | krasimir <krasimir@chalmers.se> | 2009-09-20 13:47:08 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2009-09-20 13:47:08 +0000 |
| commit | 96786c1136332efa9a889227c524ef8fe4e47fe8 (patch) | |
| tree | de85af15a057c7b5d07b5dc618e5e7ba0844df84 /src/GF/Infra/CheckM.hs | |
| parent | a29a8e4f60960122874c737d32e9d41a3575208b (diff) | |
syntax for implicit arguments in GF
Diffstat (limited to 'src/GF/Infra/CheckM.hs')
| -rw-r--r-- | src/GF/Infra/CheckM.hs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/GF/Infra/CheckM.hs b/src/GF/Infra/CheckM.hs index efa65118b..a556e5c3a 100644 --- a/src/GF/Infra/CheckM.hs +++ b/src/GF/Infra/CheckM.hs @@ -80,9 +80,9 @@ checkGetContext = Check (\ctxt msgs -> Success ctxt ctxt msgs) checkLookup :: Ident -> Check Type checkLookup x = do co <- checkGetContext - case lookup x co of - Nothing -> checkError (text "unknown variable" <+> ppIdent x) - Just ty -> return ty + case [ty | (b,y,ty) <- co, x == y] of + [] -> checkError (text "unknown variable" <+> ppIdent x) + (ty:_) -> return ty runCheck :: Check a -> Either [Message] (a,Context,[Message]) runCheck c = |