I really like this example too, though it lacks a class method example:
if(DOG::number_of_dogs_in_the_pound() > 1){
foreach my $dog (@Pound){
if($dog->is_male()){
print "I though so";
}
}
}
Sorry, I couldn't resist after that female comment.
Marilyn
On Thu, Jan 29, 2009 at 10:56 AM, André Warnier <a...@ice-sa.com> wrote:
> Michael Peters wrote:
>
>> kropotkin wrote:
>>
>> In general is it better to use a class method or object method?
>>>
>>
>> It depends on what you're using it for and how. Does the method act on any
>> instance specific state data? Or does it act on class specific data?
>>
>> A more concrete example would be a Dog class. Is bark() a method on Dog or
>> $fido? Well, every dog, no matter it's name is going to bark the same. Is
>> eat() a method on Dog or $fido? Well, if eat() changes $fido's
>> next_poop_interval property, then obviously it needs to be an instance
>> method.
>>
>> This is a great example. :-)
>
> And of course, if your system is only every going to have 1 Dog then you
>> don't need to ever have instances, right?
>>
>> if ($Dog::is_female()) {
> err on the side of caution && instantiate it nevertheless;
> }
>
>
>
