Umm, Data::Lazy seems appropriate.
Tim.
On Tue, Apr 10, 2001 at 01:03:03PM +0000, [EMAIL PROTECTED] wrote:
> Lazy Rdpr provides "lazy" scalars, arrays and hashes JENDA
>
> A module for simulating lazines in perl. It provides scalars, arrays
> and hashes that are ``lazy'', that is their value is computed only
> if necessary and at most once.
>
> use Lazy '$variablename' => \&function [, $store_options];
>
> The first time you access the variable, the code gets executed and the
> result is saved for later as well as returned to you. Next accesses
> will use this value without executing anything.
>
> You may specify what will happen if you try to reset the variable. You
> may either change the value or the code. Or get a "Modification of a
> read-only value attempted" error message.
>
> You may find the docs at http://jenda.krynicky.cz/perl/Lazy.pm.html
> and the module itself at
> http://jenda.krynicky.cz/perl/Lazy-0.5.tar.gz
>
> The module is actualy around for some time already and since it's
> being used by Win32::FileOp it is installed on many Win32 boxes
> already (probably without the programmers' notice so it doesn't matter
> THAT much).
>
> Should I rename the module and how?
>
> Jenda
> == [EMAIL PROTECTED] == http://Jenda.Krynicky.cz ==
> I wonder why does the whole chemical industry
> ignore software bugs. We'd be eager to pay fortune
> for a working insecticide.
