On Thu, 6 Feb 2003, Shane Holloway (IEEE) wrote:
> I was thinking that the semantics of "and" & "or" are the replacement
> for the trinary operator? Since these operations always return the last
> evaluated subexpression (the same subexpression that short-circuits the
> evaluation), they can be used as Gerald outlines above.
Unfortunately, this doesn't work if the result is false.
For example, here's a common idiom i use in C:
printf("Read %d file%s.", count, count == 1 ? "" : "s");
If you try to translate this to Python using "and"/"or":
print 'Read %d file%s.' % (count, count == 1 and '' or 's')
...it doesn't work, because the empty string is false.
Alas...
-- ?!ng
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