#14349: Semigroup/Monoid instances for System.Exit.ExitCode -------------------------------------+------------------------------------- Reporter: neil.mayhew | Owner: (none) Type: feature request | Status: upstream Priority: low | Milestone: Component: libraries/base | Version: 8.2.1 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 neil.mayhew): I don't see this as 'forced'. The meaning I'm suggesting is the conventional interpretation of OS exit statuses, ie a set of processes is considered failed if any one of them fails. The only reason to look up the documentation would be if someone needs to know how the `Int` in `ExitFailure Int` is produced, and typically people don't care about the value, just success or failure. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14349#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler