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function v. method
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bruno modulix
*nix forums Guru


Joined: 21 Feb 2005
Posts: 819

PostPosted: Fri Jul 21, 2006 12:22 pm    Post subject: Re: function v. method Reply with quote
Antoon Pardon wrote:
Quote:
On 2006-07-21, fuzzylollipop <jarrod.roberson@gmail.com> wrote:

danielx wrote:

(snip)


if you prefix with a single underscore, that tells the user, DON'T MESS
WITH ME FROM OUTSIDE! I AM AN IMPLEMENTATION DETAIL!


Personnaly I don't like this convention.

To bad for you.

Quote:
It isn't clear enough.

Oh yes ?

Quote:
Suppose I am writing my own module, I use an underscore, to
mark variables which are an implementation detail for my
module.

Now I need to import an other module in my module and need access
to an implementation variable from that module.

So now I have
variables with an underscore which have two different meanings:

1) This is an implemantation detail of this module, It is the
users of my module who have to be extra carefull using it.

2) This is an implemantation detail of the other module,
I should be extra carefull using it.

Either you imported with the "from othermodule import *" form (which you
shouldn't do), and you *don't* have the implementation of othermodule,
or your used the "import othermodule" form, in which case it's pretty
obvious which names belongs to othermodule.

Have any other, possibly valid, reason ?

Quote:
And I find variable starting or ending with an underscore ugly. Smile

Too bad for you. Choose another language then... PHP, Perl, Ruby ?-)

--
bruno desthuilliers
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in 'onurb@xiludom.gro'.split('@')])"
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