Hi Offer!
On Thursday 05 March 2009 16:48:09 Offer Kaye wrote:
> On Wed, Mar 4, 2009 at 4:21 PM, Berler Chanan wrote:
> > 2) Using hash is great but I looked for more suite and elegant solution
>
> You could simply wrap the hash solution in an appropriately names sub,
> giving you the elegant solution for example:
>
> {{{
> if ( is_in_array(item => 'George' , aref => \...@beatles) )
> }}}
>
The problem with this code excerpt is that if you lookup several values in the
same unmodified array, then you'll prepare a hash out of the array times and
again instead of compiling it once and looking it up. This is unless you cache
or memoise the array somehow.
An OO solution would be better:
{{{{{
my $beatles_lookup = ArrayLookup->new(\...@beatles);
if ($beatles_lookup->has("George"))
{
...
}
}}}}}
> You could even put "sub is_in_array" in a separate .pm file and "use"
> it so that the user need never be exposed to the "ugly" code which
> implements the pretty and elegant interface :)
>
> Cheers,
Regards,
Shlomi Fish
--
-----------------------------------------------------------------
Shlomi Fish http://www.shlomifish.org/
Funny Anti-Terrorism Story - http://xrl.us/bjn7t
<mauke> I'm not interested in what you're doing; what are you trying to
achieve?
<PerlJam> mauke: I'm trying to achieve world peace and this regex is
the last thing standing in my way! ;)
_______________________________________________
Perl mailing list
[email protected]
http://perl.org.il/mailman/listinfo/perl