On Tue, Oct 12, 2010 at 11:48:03PM -0700, John W. Krahn wrote:
> Shlomi Fish wrote:
> >
> >On Wednesday 13 October 2010 06:39:03 Mike McClain wrote:
> >> I've looked at this for a few days but still can't see 'why'
> >>I get what I do.
> >>Why do @arrays and @seconds not have the same number of elements?
<snip>
> >> my %HoAoA =
> >> ( a => [ [ qw / aa1 aa2 / ], [ qw / ab1 ab2 / ] ],
> >> b => [ [ qw / ba1 ba2 / ], [ qw / bb1 bb2 / ],
> >> [ qw / bc1 bc2 / ] ],
> >> );
> >>
> >> # this gets refs to all arrays
> >> my @arrays =
> >> map
> >> { @{ $HoAoA{$_} } [ 0..$#{ $HoAoA{$_} } ] }
> >> keys %HoAoA ;
> >
> >This is equivalent to:
> >{{{
> >map { @{$HoAoA{$_} } } keys(%HoAoA);
> >}}}
> >Which flattens all the arrays into one big list.
>
> No, it just returns all the elements of the values of %HoAoA which are
> array references.
I'm not clear on what you're saying here John.
If I add something to the array that is not an array like so:
$HoAoA{"d"} = 'mud';
I get this error:
Can't use string ("mud") as an ARRAY ref while "strict refs" in use
and the program dies.
Further elucidation?
Mike
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