delay and force in Python

Nick Coghlan ncoghlan at iinet.net.au
Wed Jan 26 08:30:42 CET 2005


Bengt Richter wrote:
> You can bail out of a generator expression with a raise-StopIteration expression spelled iter([]).next() ;-)
> 
>  >>> list(show(x) for x in xrange(20) if x<8 or iter([]).next() or True)
>  0 1 2 3 4 5 6 7
>  [0, 1, 2, 3, 4, 5, 6, 7]

This is both neat and incredibly arcane at the same time :)

Cheers,
Nick.


-- 
Nick Coghlan   |   ncoghlan at email.com   |   Brisbane, Australia
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