Hi,
I believe I've finished implementing version 1 of pattern synonyms (i.e.
everything described in #5144, minus the things in #8581, #8582, #8583 and
#8584). I've discussed the way forward with SPJ and he suggested because
of the cross-cutting nature of the patch, I should wait a reasonably long
time (~1 month) after 7.8 is branched off for things to settle, and
then formally submit it for review.
So my question is, is there anything I can do in the meantime, in
preparation for the review? The code is available at
https://github.com/gergoerdi/ghc. I've also added some tests
to the testsuite (https://github.com/gergoerdi/ghc-testsuite), and
updated the wiki pages at
https://ghc.haskell.org/trac/ghc/wiki/PatternSynonyms and
https://ghc.haskell.org/trac/ghc/wiki/PatternSynonyms/Implementation.
Thanks,
Gergo
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