Chas Owens wrote:
> On 6/1/07, Paul Lalli <[EMAIL PROTECTED]> wrote:
>> On Jun 1, 1:49 pm, [EMAIL PROTECTED] (Chas Owens) wrote:
>> > On 6/1/07, Paul Lalli <[EMAIL PROTECTED]> wrote:> On Jun 1, 11:21 am,
>>
>> > > and unscalable. (As soon as you add an 'else' clause,
>> > > people have to read it two or three times to understand what's being
>> > > done). Avoid at all costs.
>> >
>> > Which is why you never use an unless with an else. If you have
>> >
>> > unless ($foo) {
>> > print "false\n";
>> > }
>> >
>> > and you find you need an else you change it to an if
>> >
>> > if ($foo) {
>> > print "true\n"
>> > } else {
>> > print "false\n";
>> > }
>>
>> Thank you for proving my point for me. :-P
>>
>> Paul Lalli
>
> Umm, no, I didn't. I agreed with part of what you said. You should
> never use an else with an unless, but unless by itself is better, in
> my mind, than an if (!) and you can always change it to an if later if
> you need to add an else.
In all honesty, I find removing a ! is easier than changing an if to
unless, especially if just testing something quickly. Also makes it
easier to search for.
Steve
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