#10592: Allow cycles in class declarations -------------------------------------+------------------------------------- Reporter: MikeIzbicki | Owner: Type: feature request | Status: infoneeded Priority: normal | Milestone: Component: Compiler (Type | Version: 7.10.1 checker) | 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 MikeIzbicki): Okay, I understand the limitations a bit better now. Adding the `Logic a ~ Logic (Logic a)` constraint makes it work for me. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10592#comment:17 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler