#14609: Per-instance UndecidableInstances -------------------------------------+------------------------------------- Reporter: ryanreich | Owner: (none) Type: feature request | Status: new Priority: low | Milestone: Component: Compiler | Version: 8.2.2 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 AntC): Replying to [comment:1 AntC]:
Replying to [ticket:14609 ryanreich]:
Can (or why can't) this also be done for UndecidableInstances?
It can and should; and there's almost certainly a proposal somewhere; or a comment on a ticket on (say) overlaps or FunDeps.
Aha! ticket:10675#comment:17 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14609#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler