It feels so good, so quick and not C!

[Greg Ewing (using news.cis.dfn.de)]

> Quoth John Machin:
>>(3) The cuteness of swapping by "x, y = y, x" hides the overhead of
>>packing and unpacking a 2-tuple, which may or may not be faster than
>>the traditional 3-assignment method.

The bytecode compiler really ought to optimise this.

<plug> Pyrex does optimise it, by the way! </plug>

-- 
Greg Ewing, Computer Science Dept,
University of Canterbury,	
Christchurch, New Zealand
http://www.cosc.canterbury.ac.nz/~greg