Working around a lack of 'goto' in python
David M. Cooke
cookedm+news at physics.mcmaster.ca
Sun Mar 7 03:49:26 EST 2004
At some point, "Brett" <abc at def.net> wrote:
> Two areas where I've found 'goto' two be useful in other languages are in
> (untested examples in C++)
>
> (1) deeply nested loops
>
> for (k=0; k < 10; ++k)
> for (j=0; j < 10; ++j)
> for (i=0; i <10; ++i)
> if (/* some test */) goto END;
>
> END: /* continue */;
If you're not doing anything between the loops, I like to use a
generator:
def iindices(klimit, jlimit, ilimit):
for k in xrange(klimit):
for j in xrange(jlimit):
for i in xrange(ilimit):
yield k, j, i
for k, j, i in iindices(klimit, jlimit, ilimit):
if test_fails(k, j, i):
break
--
|>|\/|<
/--------------------------------------------------------------------------\
|David M. Cooke
|cookedm(at)physics(dot)mcmaster(dot)ca
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