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digitalmars.D.learn - convertion of type tuple to enum

What is the best way to do subj? I did
```
import std.array: array;
import std.typetuple: TypeTuple;
import std.typecons: tuple;
import std.traits: EnumMembers;

struct Foo {}
struct Bar {}
struct FooBar {}
struct Baz {}

string convertTypeTupleToEnum(Types...)()
{
	string s = "enum Kind { ";

	foreach(T; Types)
	{
		s ~= T.stringof ~ ", ";
	}
	s ~= "}";

	return s;
}

alias Types = TypeTuple!(Foo, Bar, FooBar, Baz);

void main()
{
	mixin(convertTypeTupleToEnum!(Types));

	assert(EnumMembers!Kind.tuple.array == [ Kind.Foo, Kind.Bar, 
Kind.FooBar, Kind.Baz]);
}
```
(also here http://dpaste.dzfl.pl/bc6f19770f85). Is there a way to do it 
without string mixin? Thanks!
Nov 24 2015