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Necessary braces in the left hand side of : are removed #780

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buggymcbugfix opened this issue Sep 22, 2021 · 0 comments · Fixed by #789
Closed

Necessary braces in the left hand side of : are removed #780

buggymcbugfix opened this issue Sep 22, 2021 · 0 comments · Fixed by #789
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buggymcbugfix commented Sep 22, 2021 •
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$ cat haskell/repro.hs
foo c = case c of {_->c} : []

$ ormolu haskell/repro.hs
haskell/repro.hs
  AST of input and AST of formatted code differ.
    at haskell/repro.hs:1:9-29
  Please, consider reporting the bug.

$ ormolu --version
ormolu 0.3.0.0 HEAD 06b767c8b70e60321a4debc4599127446f958e5b
using ghc-lib-parser 9.0.1.20210324
@amesgen amesgen added the bug Something isn't working label Sep 22, 2021
@amesgen amesgen changed the title Roundtrip bug Necessary braces in the left hand side of : are removed Sep 22, 2021
@amesgen amesgen mentioned this issue Sep 22, 2021
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Preserve braces in the left hand side of : tweag/ormolu
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