Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/IO/IoeGetErrorString.hs

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Distributed under the MIT License.
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module IO (ioeGetErrorString) where

import IO
import DIOError
import NHC.DErrNo

ioeGetErrorString :: IOError -> String
ioeGetErrorString (IOError op _ _ errno)  = op
ioeGetErrorString (EOFError op handle)    = "EOF"
ioeGetErrorString (PatternError loc)      = loc
ioeGetErrorString (UserError loc str)     = str
ioeGetErrorString _ = "unusual IO error"


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