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Re:Tulip – An untyped functional language by klibertp on Friday March 27, 2015 @08:03PM (#9279840)
Re:Tulip – An untyped functional language by chubot on Friday March 27, 2015 @08:08PM (#9279854)
OK interesting, it actually appears to be written in RPython, not full Python:

https://github.com/jneen/tulip/blob/master/tulip/libedit.py

(RPython is the "static" subset of Python used to bootstrap PyPy)

Re:Tulip – An untyped functional language by maxerickson on Friday March 27, 2015 @08:12PM (#9279872)
They have moved towards treating RPython as a framework:

http://rpython.readthedocs.org/

Re:Tulip – An untyped functional language by jneen on Saturday March 28, 2015 @01:06AM (#9280577)
Yeah, it's basically a toolkit for building jitted languages. Basically the easiest way to get a tracing jit these days. So it'll be a self-hosting jit similar to pypy or pixie.