Giuseppe Bilotta wrote:
> On Fri, Sep 17, 2010 at 3:24 AM, Jakub Narebski <jnareb@xxxxxxxxx> wrote:
> >
> > ... but I think that having separate subroutines for opening and
> > closing tags is a bad design / bad API (except in some rare cases).
> > It is begging for unbalanced HTML.
> >
> > It would be better if it was a single subroutine wrapping 'div' around
> > contents given either as a string, or via callback (subroutine reference),
> > in my opinion.
>
> I'm not sure that in this case the string or callback approach would
> be any cleaner. I'll see if perl supports closures or something like
> that.
Perl supports closures (thanks to anonymous subroutines 'sub { ... }'
and lexical variables 'my $var'), see perlsub and "Function Templates"
in perlref.
I also recommend free ebook "Higher-Order Perl" http://hop.perl.plover.com/
--
Jakub Narebski
Poland
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