[Python-ideas] Non-boolean return from __contains__

[Alexander Belopolsky]

On Tue, Jul 27, 2010 at 3:00 PM, Masklinn <masklinn at masklinn.net> wrote:
..
> The nice thing about having it be special-sauce syntax is that it can be parsed along with the rest of the
> script, failing early, and it can be stored in bytecode. Whereas the string itself will only be parsed when
> the function is actually executed.

Not enough to justify new syntax IMO.  Just create your parse trees at
the module or class level.  chances are that's where they belong
anyways.  I would be very interested to see the parse() function.  It
does not exist (yet), right?