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Re: recursion

by Basilides (Friar)
on Jun 23, 2002 at 15:26 UTC ( [id://176610]=note: print w/replies, xml ) Need Help??


in reply to Trouble traversing binary tree (was: recursion)

oh wait, i left a print line in there that you don't need to see--from when i was trying to debug it. proper routine, which doesn't work, is: 
sub display
{    my $self = shift;
    $self->displaynames($self->{root});
}

sub displaynames
{    my $self = shift;
    $head = shift;
    if (defined ($head->{LRef}))
    {    $self->displaynames($head->{LRef});
    }
    print $head->{Val}, "\n";
    if (defined ($head->{RRef}))
    {    $self->displaynames($head->{RRef});
    }
}

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