struct Test {
pub:
	bar []int = [1, 2, 3]
pub mut:
	foo []int = [1, 2, 3]
}

struct TestAlias {
mut:
	list []string
}

fn main() {
	arr := [1, 2, 3] // declared as immutable!
	mut arr_mut := if true { arr } else { []int{} }
	mut arr_mut2 := match true {
		true { arr }
		else { [0] }
	}
	arr_mut[0] = 999
	arr_mut2[1] = 999
	println(arr)
	println(arr)
	assert arr == [1, 2, 3]

	a := Test{}
	mut arr_mut3 := a.foo
	arr_mut3[0] = 999
	assert a.foo == [1, 2, 3]

	mut arr_mut4 := a.bar
	arr_mut4[0] = 999
	assert a.bar == [1, 2, 3]

	s := TestAlias{
		list: ['aaa']
	}
	mut s2 := s
	s2.list[0] = 'bbb'

	_ := a.bar
}