[GHC] #15590: Existentials in newtypes
#15590: Existentials in newtypes -------------------------------------+------------------------------------- Reporter: NioBium | Owner: (none) Type: feature | Status: new request | Priority: normal | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 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: -------------------------------------+------------------------------------- Please allow existential quantification of phantom type arguments in newtypes. {{{ type role A nominal representational phantom -- Or inferred roles. newtype B a b where B :: A a b c -> B a b }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15590 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15590: Existentials in newtypes -------------------------------------+------------------------------------- Reporter: NioBium | Owner: (none) Type: feature request | Status: closed Priority: normal | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: duplicate | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #1965 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => duplicate * related: => #1965 Comment: This is a duplicate of #1965, so I'll close this ticket in favor of that one. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15590#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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