Methods in enums

[H. S. Teoh]

On Tue, Aug 15, 2023 at 12:38:38AM +0000, Alexandru Ermicioi via Digitalmars-d wrote:
> On Monday, 14 August 2023 at 23:40:33 UTC, WebFreak001 wrote:
> > ...
> > They would of course need a bit of new syntax, like possibly
> > separating the enum values and methods with `;`, like what Java
> > does, or having a more D-like syntax that just allows methods
> > anywhere in the enum. I think the concept itself would fit into the
> > language design very nicely.
> 
> You could use plain private struct as an enum type, then you'd have
> methods on enum members.
[...]

Proof of concept:

	struct EnumMember {
		int value;
		void myMethod() {
			import std.stdio;
			writefln("myMethod: %s", value);
		}
	}
	enum MyEnum : EnumMember {
		hooray = EnumMember(1),
		boo = EnumMember(2),
		haha = EnumMember(3),
	}
	void main() {
		MyEnum e;
		e.myMethod();
	}


T

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