struct AA {
	a int = 22
	b i64
}

pub fn zeroed() {
	_ := AA{}
}

pub fn field() {
	_ := AA{
		a: 23
	}
}

pub fn selector(input int) int {
	mut a := AA{}

	c := 10 + a.a

	return c
}

pub fn reassign(input int) int {
	mut a := AA{}

	a = AA{
		b: input
	}

	return int(a.b + input)
}

struct BB {
mut:
	a i64 = 22
	b i64
	c i64
}

pub fn give(val int) int {
	mut a := BB{}

	a.b = val

	return take(a)
}

pub fn take(input BB) int {
	return int(input.b)
}

struct BB_ {
mut:
	a i64 = 22
	b AA_
}

struct AA_ {
mut:
	a i64 = 91
	b i64 = 92
	c i64 = 93
}

fn e() BB_ {
	return BB_{
		a: 2
	}
}

pub fn make(nval AA_) i64 {
	val := BB_{
		b: nval
	}

	return val.b.b
}

pub fn return_make(nval int) int {
	val := make(AA_{ b: nval })
	return int(val)
}

fn my_func(val int) AA_ {
	return AA_{
		b: val
	}
}

fn accept() {
	my_func(20)
}

struct CC {
mut:
	a i64 = 91
	b i64 = 92
	c i64 = 93
}

fn my_func_multi(val int) (CC, CC) {
	return CC{
		b: val
	}, CC{
		a: val
	}
}

pub fn accept_multi(val int) int {
	a, b := my_func_multi(val)
	return int(a.b + b.a)
}

struct Vector {
	x int
	y int
}

fn add(a Vector, b Vector) Vector {
	return Vector{a.x + b.x, a.y + b.y}
}

pub fn test(a int, b int) (int, int) {
	vec := Vector{a, b}

	ret := add(vec, Vector{10, 5})

	return ret.x, ret.y
}

struct Aello {
	a int
	b i64
	c int
}

struct Hello {
	a int = 20
	b Aello
	c int = 222
}

pub fn recurse() {
	_ := Hello{}
}

struct DD {
	x int
	y int
}

fn (a DD) + (b DD) DD {
	return DD{a.x + b.x, a.y + b.y}
}

pub fn valer() (int, int) {
	mut a := DD{10, 15}

	a += DD{10, 15}

	return a.x, a.y
}

struct TEST {
mut:
	a int
	b int
}

fn postfix_test() {
	mut a := TEST{}
	a.b++
	a.a++
}

fn postfix_test_mut(mut a TEST) {
	a.b++
}

fn main() {
	zeroed()
	field()
	println(selector(0))
	println(reassign(10))
	println(give(42))
	println(return_make(123))
	accept()
	println(accept_multi(5))
	x, y := test(2, 3)
	println(x)
	println(y)
	recurse()
	z, w := valer()
	println(z)
	println(w)
	postfix_test()
	mut a := TEST{}
	postfix_test_mut(mut a)
	println(a.b)
}