Re: [GHC] #14107: Implement Semigroup and Monoid instances for the ST monad

#14107: Implement Semigroup and Monoid instances for the ST monad -------------------------------------+------------------------------------- Reporter: plato | Owner: (none) Type: feature request | Status: patch Priority: normal | Milestone: Component: Core Libraries | Version: 8.2.1 Resolution: | Keywords: newcomer Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3845 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"441c52de0621ac68a2248cf691b4de31fba48a34/ghc" 441c52d/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="441c52de0621ac68a2248cf691b4de31fba48a34" Add Semigroup/Monoid instances to ST monad Fixes #14107. Signed-off-by: Philipp Middendorf Reviewers: austin, hvr, bgamari, RyanGlScott Reviewed By: bgamari Subscribers: RyanGlScott, rwbarton, thomie GHC Trac Issues: #14107 Differential Revision: https://phabricator.haskell.org/D3845 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14107#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler