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-- {-# LANGUAGE NoBangPatterns #-}
module T17162 where
charIsRepresentable :: TextEncoding -> Char -> IO Bool
charIsRepresentable !enc c =
withCString enc [c]
(\cstr -> do str <- peekCString enc cstr
case str of
[ch] | ch == c -> pure True
_ -> pure False)
`catch`
\(_ :: IOException) -> pure False
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