v/vlib/v/tests/multiple_assign_test.v

fn test_multiple_assign() {
	a, b, c := 1, 2, 3
	assert a == 1
	assert b == 2
	assert c == 3
}

fn test_multiple_assign_swap_simple() {
	mut a := 11
	mut b := 22
	a, b = b, a
	assert a == 22
	assert b == 11
}

fn test_multiple_assign_swap_complex() {
	mut a := 11
	mut b := 22
	mut c := 33
	mut d := 44
	a, b, c, d = b, a, d, c
	assert a == 22
	assert b == 11
	assert c == 44
	assert d == 33
}

fn test_multiple_assign_infix_expr() {
	mut a := 11
	mut b := 22
	mut c := 33
	a, b, c = b + 1, a * 2, c - a
	assert a == 23
	assert b == 22
	assert c == 22
}

fn test_multiple_assign_prefix_expr() {
	mut a := 11
	mut b := 22
	mut c := 33
	a, b, c = -b, -c, -a
	assert a == -22
	assert b == -33
	assert c == -11
}

fn test_multiple_assign_postfix_expr() {
	mut a := 11
	mut b := 22
	mut c := 33
	a, b, c = b++, c++, a--
	assert a == 22
	assert b == 33
	assert c == 11
}

fn test_multiple_assign_complex_expr() {
	mut a := 11
	mut b := 22
	mut c := 33
	a, b, c = -b + 1, -c * 2, a++
	assert a == -21
	assert b == -66
	assert c == 11
}