tagged unions

examples/programs/tagged_union/main.bro

@@ -0,0 +1,22 @@
+Animal :: enum {
+	dog
+	cat
+	bird
+	lizard
+}
+
+Data :: union(Animal) {
+	dog  i32
+	bird i32
+}
+
+Thing :: union(enum) {
+	a i32
+	b f64
+}
+
+main :: func() i32 {
+	x Data = Data{ bird = 37 }
+	y Thing = Thing{ a = 5 }
+	return x.bird + y.a
+}