I would suggest treating "a = 1" as a declaration. This is what IHaskell does, and it seems more intuitive than hacky parsing it into a "let a = 1". The implementation should be easy using runDecls from InteractiveEval and parseDeclaration from Parser.y to do the actual parsing.
-- Andrew On Sat, Aug 22, 2015 at 8:50 AM, Alex Rozenshteyn <rpglove...@gmail.com> wrote: > I'm thinking of working on this ticket ( > https://ghc.haskell.org/trac/ghc/ticket/7253), so, as per mpickering's > suggestion (https://phabricator.haskell.org/chatlog/channel/3/?at=1353572), > I'm emailing the list to solicit input. > > My first instinct was to treat declarations like "a = 1" in GHCI as > equivalent to "let a = 1"; this would be a straightforward matter of > parsing. On the other hand, as thoughtpolice comments, let-bound variables > are treated subtly differently than top-level bindings, so the proper > solution may be more involved. > > Comments? > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs > >
_______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
