[Tutor] short circuiting

Kent Johnson kent37 at tds.net
Thu Jun 25 16:37:09 CEST 2009

On Wed, Jun 24, 2009 at 11:32 PM, Dave C<realtimethrill at googlemail.com> wrote:
> Hi
> I've read that the builtin all() function stops evaluating as soon as
> it hits a false item, meaning that items after the first false one are
> not evaluated.
> I was wondering if someone could give an example of where all()'s
> short circuiting is of consequence

It can have a performance impact if the sequence under test is long or
the comparison is expensive.


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