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Derive Eq & Show instances for Handle.

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This commit is contained in:
Rob Rix 2018-05-14 10:28:58 -04:00
parent b979e9757c
commit 436063142c
1 changed files with 3 additions and 0 deletions
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src/Semantic/IO.hs
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@ -221,6 +221,9 @@ data Handle mode where
ReadHandle :: IO.Handle -> Handle 'IO.ReadMode
WriteHandle :: IO.Handle -> Handle 'IO.WriteMode
deriving instance Eq (Handle mode)
deriving instance Show (Handle mode)
getHandle :: Handle mode -> IO.Handle
getHandle (ReadHandle handle) = handle
getHandle (WriteHandle handle) = handle