Re: [GHC] #10018: Cannot define custom fixity for infix data constructors in GHCi

#10018: Cannot define custom fixity for infix data constructors in GHCi -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.12.1 Component: GHCi | Version: 7.10.1-rc2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Incorrect result | Test Case: at runtime | ghci/scripts/T10018 Blocked By: | Blocking: Related Tickets: #9830, #2947, | Differential Revisions: Phab:D1028 #4929 | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"e809ef57d841695f76ab9b2758f7aeb774d6b223/ghc" e809ef5/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="e809ef57d841695f76ab9b2758f7aeb774d6b223" ghci: fixity declarations for infix data constructors (#10018) Declaring a custom fixity for an infix data constructor should work: Prelude> data Infix a b = a :@: b; infixl 4 :@: This is a followup to #2947, which handled fixity declarations in ghci statements (e.g. let add = (+); infixl 6 `add`). Support for declarations (data, type, newtype, class, instance, deriving, and foreign) was added to GHCi in #4929. Reviewers: simonpj, austin, thomie Subscribers: thomie, bgamari Differential Revision: https://phabricator.haskell.org/D1028 GHC Trac Issues: #10018 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10018#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler