#10523: Add Monoid instance for IO -------------------------------------+------------------------------------- Reporter: Gabriel439 | Owner: Gabriel439 Type: feature request | Status: patch Priority: normal | Milestone: 7.12.1 Component: libraries/base | Version: 7.10.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: None/Unknown | Unknown/Multiple Blocked By: | Test Case: Related Tickets: | Blocking: | Differential Revisions: Phab:D988 -------------------------------------+------------------------------------- Comment (by Austin Seipp <austin@…>): In [changeset:"65d4b895d8331ff9e7df6aaf0a0de898c857201c/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="65d4b895d8331ff9e7df6aaf0a0de898c857201c" Add `Monoid` instance for `IO` See original proposal at https://mail.haskell.org/pipermail/libraries/2014-November/024310.html for more details Reviewed By: hvr, austin Differential Revision: https://phabricator.haskell.org/D988 GHC Trac Issues: #10523 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10523#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler