Re: [ID 20000111.008] use strict 'vars'

[Larry Wall <larry@wall.org>]

london@pixelmagic.com writes:
: I'm sure there is a really good reason that user defined sort subs
: use the global/local/univeral/magical variables $a and $b to determine
: sorting order, rather than having the sort routine look at a less painful
: variable, such at @_.   faster, less memory, something.

Speed and notational convenience.

In a very recent development version of Perl, if you use a sort sub
with a ($$) prototype, it'll give you the arguments in @_.  Eventually
you'll be able to use a prototype of ($a, $b) and get them back into
$a and $b, only as lexicals.

Larry

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References to:

london@pixelmagic.com

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