..., scalar param($name), ...

##</code><code>##

    ... ( multi_param($name) )[0] ...  # First value
    ... ( multi_param($name) )[-1] ... # Last value

##</code><code>##

    my( $one, $two );
    while( ( $One, $two ) = ( get_list() )[0,3] ) {
        # Loops until get_list() returns an empty list.
    }

##</code><code>##

    my $scalar;
    while( ( $scalar ) = ( get_list() )[0] ) {
        ...
    }