sub foo {
        # the lexical vars $a, @b and %c are aliased to the things pointed
        # to by the reference values passed as the first three arguments:

        \$a \@b, \%c,

        # $d is aliased to the fourth arg:

        *$d,

        # $e is aliased to the fifth arg,  but at compile time, any use
        # of $e in lvalue context within this lexical scope is a compile
        # time error:

        *$e :ro,

        # the elements of @f are aliased to any remaining args,
        # i.e. a slurpy with aliasing ...:

        *@f

        # .. or a slurpy hash; every second remaining arg is aliased to
        # the hash's values:

        *%g
    ) { ... }