More for bitfields

[Ellery Newcomer]

On 07/04/2010 07:20 AM, bearophile wrote:
> This blog post shows possible ideas to make std.bitmanip.bitfields more complete:
> http://potential-lang.org/2010/07/02/quasi-quoting-ascii-art-to-define-data-structures/
>
> An example of the ideas:
> struct IntDesc_t {
>    ...
>    immutable IST : 3 = 0;
>    immutable Unused0 : 5 = 0;
>    immutable type : 4 = 0b1110;
>    immutable Unused1 : 1 = 0b0;
>    dpl : 2;
>    p : 1;
> ...
>
> That means allowing the fields to have an optional initialization value. And they can be flagged to be immutable too :-) Bit fields that can't change are common.
>
> Bye,
> bearophile

How is this different from erlang's bitfields, aside from the 
mutable/immutable part?