#14730: Missing predicate for "ResourceVanished" IOException/IOErrorType -------------------------------------+------------------------------------- Reporter: bit | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: libraries/base | Version: 8.2.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by vdukhovni): Example Errno.hsc usages: {{{ $ ghci Errno.hs GHCi, version 8.6.3: http://www.haskell.org/ghc/ :? for help [1 of 1] Compiling System.IO.Errno ( Errno.hs, interpreted ) Ok, one module loaded. *System.IO.Errno> show EPERM "Operation not permitted" *System.IO.Errno> show $ IOErrno 0 "No error: 0" *System.IO.Errno> show $ IOErrno 1000 "Unknown error: 1000" *System.IO.Errno> strerror $ IOErrno 0 Just "No error: 0" *System.IO.Errno> strerror $ IOErrno 1000 Nothing *System.IO.Errno> fromEnum EPERM 1 *System.IO.Errno> toEnum 5 :: IOErrno Input/output error *System.IO.Errno> case toEnum 1 of { EPERM -> True; _ -> False } True }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14730#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler