D offers `SumType` struct to manage tagged Union types.

But there is no support for...

...slightly different -- you don't need to serialize anything. The parser provides mechanisms to jump...

...schveiguy/jsoniopipe/blob/4fa5350ed97786e34612a755f7e857544c6f9512/source/iopipe/json/serialize.d#L50-L55

Or, you can provide...

...code, I would do something like:

	auto serialize(T)(T data) {
		static if (is(T...

...classes, because you need to declare the serialize methods in the base class without `override...

...nutshell, what Serializable does is to inject serialize() and deserialize() methods into the class hierarchy...

...Child();
        // if we called this in the serialize function or even one of those constructors...

...Base, C), C)) {
			override void serialize(...) {
				serializeImpl();
			}
		} else {
			void serialize(...) {
				serializeImpl();
			}
		}
		private void serializeImpl(...) {
			auto...

...main() {
	writeln(serialize(new Person)); // name,age
	writeln(serialize(new Boss)); // numEmployees
	writeln(serialize(cast...

but this fails:
```d
class Base {
    string serialize(this This)() {
        string _stringof = This.stringof;
        return...