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Re: Re: my $var; vs. use constant VAR = '';

by Rhandom (Curate)
on Apr 27, 2001 at 02:29 UTC ( #75950=note: print w/replies, xml ) Need Help??


in reply to Re: my $var; vs. use constant VAR = '';
in thread my $var = ''; vs. use constant VAR => '';

Something that is just as fast (slightly faster) than use constant, that can be localized, and that is neat, is to create a reference or alias to a non modifiable variable. Try this:
local *CONST = \23.34234334234;
Try to modify it. You can't. Declare it at the top of your program and it is there for life. Put it in a sub and it stays around for the life of the sub. See 75935 buried way at the bottom of this node.

my @a=qw(random brilliant braindead); print $a[rand(@a)];

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[Corion]: Meh. I need to find myself a better "programming" feed than r/programming (which is just HackerNews reposts and advertisements, very little code). Maybe I should select a list of links that I liked on r/programming and then google for ...
[Corion]: ... an aggregator site that also listed (ideally) all of these links once. And maybe also have an exclude list to blacklist some of the most spammy links that the site may have never mentioned at all
[marto]: I gave up reading HN at all, and feel much better for it :P
[Corion]: Now, how to best automate that Google search ... :-)
[Corion]: marto: Yeah, I'm also short of not reading it at all. I already stopped reading it in the morning because it gave me a foul mood.

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