[ghc-steering-committee] #344: Negative Literals Improved, rec: accept

[Richard Eisenberg]

> On Jul 22, 2020, at 1:43 PM, Joachim Breitner <mail at joachim-breitner.de> wrote:
> 
>> Just as a note, I never quite understood how we plan to implement
>> #229---is it supposed to be done through state in the lexer, or do we
>> have a simple lexer that keeps all tokens, including white space, and
>> then write a post-processing function to glue and rejigger tokens?
> 
> No idea here.

#229 is in fact already implemented: https://gitlab.haskell.org/ghc/ghc/-/merge_requests/1664   I don't remember the details to explain them, but I don't think it turned out hard to implement.

Richard
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