[SP-pm] Modern Perl Books: How to Identify a Good Perl Programmer

[Daniel de Oliveira Mantovani]

 2011/1/16 Renato Santos <renato.cron em gmail.com>:
> Lo, tem algumas q eu nao sei...
> Qual a diferença entre return ; e return undef; para quem chama?

sub function {return undef};
my @foo = function();
print scalar @foo;

sub function { return; }
my @foo = function();
print scalar @foo;

sub function { return undef; }
my @foo = function();
print "hey baby" if @foo;

;)



>
> Em jan 16, 2011 9:24 PM, "Thiago Rondon" <thiago em aware.com.br>escreveu:
>
>
> Pessoal,
>
> Uma dica para leitura no final do domingo:
>
> http://www.modernperlbooks.com/mt/2011/01/how-to-identify-a-good-perl-programmer.html
>
> Abs!
> -Thiago Rondon
>
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>
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>
>



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