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Re: Re^2: characterstics of private in perl

by demerphq (Chancellor)
on Mar 09, 2003 at 15:21 UTC ( #241568=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!perl -l
    use strict;
    ...
    $obj3->package_attrs="foo";
    print Dumper($obj1,$obj2,$obj3);
    

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choroba's discovered two instances of a weird animal in the code at work: \@$var
[Eily]: hum, tied scalar, generates a new array when derefed ? :D
[Corion]: choroba: Ah, when doing a shallow copy, I prefer [ @$var ] - I think \@$var might return the same reference instead of a reference to a fresh copy
[Corion]: perl -wle "my $ar = [1,2,3]; my $br=\@$ar; print qq($ar / $br)" confirms this to me
[karlgoethebier]: "discovered" this to sum an array: perl -E 'say scalar map {1 .. $_} (1..3);'

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