Hi,
I'm a rust newbie and I stared to play with macros a few days ago. Right
now I'm trying to develop a macro that behaves similarly to Scala's for
comprehension. Draft is available at
https://gist.github.com/hanny24/5749688.
However, for future improvements I'm going to need a safe way to
introduce a new identifier. Is there anything like LISP's gensym in
rust's macros system? Is is even possible to achieve using 'macro by
example'?
Regards,
Honza
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