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Empty case without `{}` #469

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nomeata opened this issue Apr 24, 2023 · 0 comments

nomeata commented Apr 24, 2023

GHC accepts this file, using EmptyCase with “implicit” braces for:

{-# LANGUAGE EmptyCase #-}

foo b = case b of

With haskell-src-exts, I get

ghci> Language.Haskell.Exts.parseFile "/tmp/Test.hs"
ParseFailed (SrcLoc "/tmp/Test.hs" 4 12) "Parse error: ;"

It works if I write

{-# LANGUAGE EmptyCase #-}

foo b = case b of {}

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