There is no particular specific feature coming to use '$', we just needed to take back some lexing/parsing tokens to help 'future proof' the language (there was at least some idle musings about regular expression operators, which are common/helpful in scripting languages; we don't have plans to ship any such new feature in VS2010, but want to have 'room' for special operators/tokens that make have special lexical/parsing behavior).
I don't think we have firm plans regarding the new language spec, maybe a week or two. Don is planning to do a more in-depth blog about the equality/comparison stuff in the very near future (next few days I think maybe). If you have a specific question about the equality stuff, feel free to ask.
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Hi,
Does maybe someone have information on why all operators with a dollar sign in it were deprecated? I'm curious whether this is in advance of some cool new language feature I should be looking forward to.
Due to the deprecation I intend to rename the FParsec operators <|>$ and >>$ operators to
<|>% and >>%, but if anyone has a better suggestion, I'm
all ears.
Also, somewhat related: Is there maybe an ETA on the new language spec? (I'm particular interested in the details of the new equality constraint and how the EqualityConstraintOn attribute works exactly.)
Thank in advance for any hint.
Best regards,
Stephan