[GHC] #9634: "data X = 1": "Illegal literal in type (use DataKinds to enable): 1"

GHC ghc-devs at haskell.org
Fri Sep 26 11:34:50 UTC 2014


#9634: "data X = 1": "Illegal literal in type (use DataKinds to enable): 1"
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              Reporter:  rwbarton    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  low         |        Milestone:
             Component:  Compiler    |          Version:  7.9
  (Type checker)                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"ac157de3cd959a18a71fa056403675e2c0563497/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="ac157de3cd959a18a71fa056403675e2c0563497"
 Complain about illegal type literals in renamer, not parser

 A premature complaint was causing Trac #9634.  Acutally this
 change also simplifies the lexer and eliminates duplication.
 (The renamer was already making the check, as it happens.)
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9634#comment:1>
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