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Showing content from https://mail.python.org/pipermail/python-dev/2003-February/032880.html below:

[Python-Dev] Acquire/release functionality

[Python-Dev] Acquire/release functionality [Python-Dev] Acquire/release functionalityGreg Ewing greg@cosc.canterbury.ac.nz
Tue, 04 Feb 2003 11:44:05 +1300 (NZDT)
holger krekel <pyth@devel.trillke.net>:

> I haven't found a way to make assignments optional (in recent
> experiments).  Is this possible with Python's Parser? 

It should be possible to do it the same way as
expressions/assignments are done now, i.e.
parse it as

  with_stmt ::= 'with' <expr> ['=' <expr>] ':' <suite>

and sort it out in the compiler.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg@cosc.canterbury.ac.nz	   +--------------------------------------+



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