my $thr = threads->create({'context' => 'list'}, \&foo);
    ...
    my @results = $thr->join();

##</code><code>##

    my $thr = threads->create({'context' => 'void'}, \&foo);
    ...
    $thr->join();

##</code><code>##

    threads->create({'scalar' => 1}, \&foo);
    ...
    my ($thr) = threads->list();
    my $result = $thr->join();

##</code><code>##

    # Create thread in list context
    my ($thr) = threads->create(...);

    # Create thread in scalar context
    my $thr = threads->create(...);

    # Create thread in void context
    threads->create(...);