my $lexer = make_lexer(
    My::Sudoers::Iterator->new('/etc/sudoers'),
    [ 'ALIASTYPE' => qr/(?:Host_Alias|User_Alias|Runas_Alias|Command_Alias)/, ],
    [ 'COMMA'     => qr/,/, ],
    [ 'DIVIDER'   => qr/=/, ],
    [ 'LINECONTINUER' => qr/\\\n/, ],
);