sub easy_to_move {
        my @params = @_;
        
        $result = [some simple manipulation of @params]
        return ($result);
    }

##</code><code>##

    sub hard_to_move {
        my @params = @_;
        
        my $anchor = $STATIC_VARIABLE;
        $result = [something that involves $anchor];
        return ($result);
    }