Hi,

In message "[ruby-talk:4857] Re: FEATURE REQUEST: Fixnum bitfields"
    on 00/09/12, Wayne Scott <wscott / ichips.intel.com> writes:

|I just realized that the '[]=' is not implimented for Fixnum and Bignum.
|Add that to my feature request. :)

I don't think it's possible, since Numbers are immutable.
There's no way to change a value in a variable by invoking a method.

You may need a hack like Python 2.0's argumented assignment, which
treats immutable object specially.  But I think it's ugly.

							matz.