my @things = 1.. 5;
display_thing() foreach @things;

sub display_thing {
    my $t = $_;
    print $t
}

[download]

works fine. If you really want to call display_thing without the brackets either declare the subroutine before you call it, or use prototypes (but you don't want to do that, honest).

In reply to Re: Is it possible to write a sub that understand default variables ? by FunkyMonk
in thread Is it possible to write a sub that understand default variables ? by bcarnazzi

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