Re: [FWP] Need a little confusion?

[Prakash Kailasa <pkailasa@yahoo.com> (by way ofowner-fwp@technofile.org)]

>From fwp-l Thu May 10 11:26:39 2001

--- Sven Neuhaus <sn@neopoly.com> wrote:
> Hi,
>
> let me share my pain with you.. :-)
> Predict the output of the following script:
>
> ========
> sub x {
>         my @a;
>         my $b = [ qw(a b c) ];
>         return [
>                 map { [ '??', $_ ] } @a,
>                 map { $_; } @$b
>         ];
> }
>
> use Data::Dumper;
> print Dumper(x());
> =========
>
> Nasty trap I fell into there..
>
> -Sven

I may be missing something, but I don't see any "trap" in there.

Since @a will be an empty array, the sub x should return
a ref to an array of of three array refs each containing
the string '??' and one of the elements of @$b.

What am I thinking wrong?

/prakash

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