> > Greg Wilson wrote:
> > while:
> > first-half
> > and while condition-1:
> > second-half
> > and while condition-2:
> > third-half # [sic]
> > and while final-condition # no trailing ':'
> Ka-Ping wrote:
> This *is* confusing. Does the "third-half" get executed if
> condition-2 is true, or only if condition-1 and condition-2 are both
> true?
The loop breaks out the first time it finds a false condition. I find it
confusing as well, and wonder whether the extra generality would ever be
used. I'd even want to put:
do:
first-half
while cond:
second-half
in front of both novices and experts --- is this two loops, or one?
> "do" doesn't even have to be made into a keyword for the do...while
> construct to work: there is no other valid construct in which a name
> would appear followed by a colon as the first thing in a statement or
> expression, so the parser should be able to figure it out.
Might not be true in future, so probably dangerous to assume now. (Icon,
anyone? :-)
Thanks,
Greg
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