#12464: Add `instance Semigroup a => Semigroup (IO a)` -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature | Status: new request | Priority: normal | Milestone: Component: Core | Version: 8.0.1 Libraries | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- What the title says -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12464 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler