On 30/11/15 8:58 PM, Andrew LaChance wrote:
On Monday, 30 November 2015 at 07:54:49 UTC, Rikki Cattermole wrote:
enums don't have to be integral, but for performance reasons it is for
the best.
enum Foo : string {
A = "a",
B = "b",
C = "d",
ERROR = "What are you talking about?"
}
void main() {
import std.stdio : writeln;
Foo foo = Foo.ERROR;
writeln(foo, " is: ", cast(string)foo);
}
Also you are welcome in #d on Freenode (IRC) if you are interesting in
talking with the rest of us!
Btw you probably want tuples (std.typecons : tuple) to emulate those
values.
Oh interesting. So you are saying I could have a struct WhiteKey {...}
and then an enum that extends WhiteKey? You also mention Tuples, are
you recommending the Tuple's type be (WhiteKey, int)? Thanks!
An enum does not extend other types.
It specifies what the type of the value will be.
It is a little like a map in that way.
I would recommend that the tuple to be the value type of the enum.
You could alias TypeTuple and use it directly and name the fields.
All it is, is a struct.
