UDAs on enum members
Basile B. via Digitalmars-d
digitalmars-d at puremagic.com
Mon Jul 18 03:17:55 PDT 2016
On Sunday, 17 July 2016 at 20:51:42 UTC, Walter Bright wrote:
> On 7/13/2016 4:57 AM, Tomer Filiba wrote:
> struct MyEnum {
> @("SOM") enum SomeMember = 0;
> @("ANO") enum AnotherMemberWithAVeryLongName = 1;
>
> string dump() {
> ... // `this` is a value, not a ref here
> }
> static MyEnum load(string name) {
> ...
> }
> }
>
> Not as nice, but gets the job done. But adding a new aggregate
> type comes with a lot of baggage. I'm not convinced the
> complexity is worth the benefit, which seems minor.
With a union it's ok, see the sugestion here
https://forum.dlang.org/post/kmqmqxskccaceurutgzq@forum.dlang.org
members are not part of the aggregate. The size is then just
equal to the common type, used as variable to make bit op like
with a regular enum.
I mean that the OP is asking for a really minor feature while he
could solve the problem himself, in case he really needs it.
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