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add missing MonadFail constraint for newer GHC

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Krasimir Angelov
2022-08-16 20:06:51 +02:00
parent 6c0e4bc08e
commit 3bdd9dc022
1 changed files with 1 additions and 1 deletions
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2
src/compiler/GF/Command/Commands.hs
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@@ -43,7 +43,7 @@ instance (Monad m,HasPGF m,Fail.MonadFail m) => TypeCheckArg m where
(inferExpr pgf e)
Nothing -> fail "Import a grammar before using this command"
pgfCommands :: HasPGF m => Map.Map String (CommandInfo m)
pgfCommands :: (HasPGF m, MonadFail m) => Map.Map String (CommandInfo m)
pgfCommands = Map.fromList [
("aw", emptyCommandInfo {
longname = "align_words",