type Main = Sub1 | Sub2 | Sub3

// NB: the subtypes will have a common `name` field, of the same `string`
// type, except Sub3, which has `name` of type AliasedString.

type AliasedString = string

struct Sub1 {
mut:
	name string
}

struct Sub2 {
mut:
	name string
}

struct Sub3 {
mut:
	name AliasedString
}

fn main() {
	mut m := []Main{}
	m << Sub1{
		name: 'abc'
	}
	m << Sub2{
		name: 'def'
	}
	m << Sub3{
		name: 'xyz'
	}
	println(m)
	assert m[0].name == 'abc'
	assert m[1].name == 'def'
	assert m[2].name == 'xyz'
}