Bring back enum but using iota

code/demo.odin

@@ -11,11 +11,27 @@ import {
 	win32 "sys/windows.odin";
 }
 
-proc main() {
-	var x = if false {
-		give 123;
-	} else {
-		give 321;
-	};
-	fmt.println(x);
+type Thing enum f64 {
+	_, // Ignore first value
+	A = 1<<(10*iota),
+	B,
+	C,
+	D,
+}
+
+proc main() {
+	var ti = type_info(Thing);
+	match type info : type_info_base(ti) {
+	case Type_Info.Enum:
+		for var i = 0; i < info.names.count; i++ {
+			if i > 0 {
+				fmt.print(", ");
+			}
+			fmt.print(info.names[i]);
+		}
+		fmt.println();
+	}
+
+	fmt.println(Thing.A, Thing.B, Thing.C, Thing.D);
+
 }