#10756: Allow users to indicate inaccessible patterns -------------------------------------+------------------------------------- Reporter: edsko | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Changes (by YitzGale): * cc: gale@… (added) Comment: I propose a modification: that {{{impossible}}} not become a full-fledged keyword, but rather that it only be given special meaning in the context of a pattern expression. I leave as an open question how this should work in a pattern guard. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10756#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler