Static Typing in Python

Premshree Pillai premshree_python at yahoo.co.in
Sat Mar 13 15:59:42 CET 2004


 --- Dang Griffith <google0 at lazytwinacres.net> wrote:
> On Sat, 13 Mar 2004 07:07:50 +0000 (GMT), Premshree
> Pillai
> <premshree_python at yahoo.co.in> wrote:
> 
> > --- Jacek Generowicz <jacek.generowicz at cern.ch>
> >Yes, I am aware that Python is dynamically typed,
> and
> >so is Perl, right? In Perl, we have the "use strict
> >vars" pragma to force variable declaration. Is
> there
> >something like it in Python?
> 
> No, but you can use pychecker to get similar
> results.
> 
> >Don't you think forced variable declaration is an
> >important requirement in a language?
> 
> Not really.  Forced variable initialization is
> what's important.
> Unlike C, et al, and Perl, variables don't have a
> default 
> initial value.  If you try reference a variable that
> hasn't been
> initialized ("bound to a value", in python lingo),
> python raises a
> NameError exception.
> 
>     --dang
> p.s.
> I know technically Perl initializes to 'undef', but
> it's magically
> treated as 0 or an empty string, depending on
> context, so the
> effect is much the same.
> -- 
> http://mail.python.org/mailman/listinfo/python-list 

Not forcing variable initialization does have its
problems. Here's what I mean: http://www.livejournal.com/users/premshree/10624.html?thread=53376#t53376

=====
-Premshree
[http://www.qiksearch.com/]

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