Home > Archive > PERL Modules > January 2008 > For module X::Y, should Y be (isa) X?
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| Author |
For module X::Y, should Y be (isa) X?
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| Steve Roscio 2008-01-10, 7:02 pm |
| Is it considered bad form to have a module named X::Y, that is not an X?
In otherwords, should Y have a 'use base qw/X/' or an @ISA for X?
I know the language doesn't enforce it, but what's the general concensus
on this?
Thanx,
- Steve
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| Big and Blue 2008-01-10, 7:02 pm |
| Steve Roscio wrote:
> Is it considered bad form to have a module named X::Y, that is not an X?
> In otherwords, should Y have a 'use base qw/X/' or an @ISA for X?
>
> I know the language doesn't enforce it, but what's the general concensus
> on this?
X is a namespace. It may not be an object-producing module (or even a
module) at all.
I certainly have X::Y objects where X doesn't exist in Perl - it just
exists in the file system to separate my modules from others.
--
Just because I've written it doesn't mean that
either you or I have to believe it.
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| Peter J. Holzer 2008-01-11, 7:00 pm |
| On 2008-01-10 19:13, Steve Roscio <steve.roscio@hp.com> wrote:
> Is it considered bad form to have a module named X::Y, that is not an X?
> In otherwords, should Y have a 'use base qw/X/' or an @ISA for X?
>
> I know the language doesn't enforce it, but what's the general concensus
> on this?
I don't think that X::Y should generally be a subclass of X. They
should be somehow related, of course, but the relationship can be
anything, "has a" seems to be a lot more common than "is a" in my code.
hp
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| Steve Roscio 2008-01-11, 7:00 pm |
| thanx guys - I appreciate the insight!
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