main @= fn() {
	 foo @= fn() i64 { return 3; };
	 test @= fn(x : i64, y : i32, z,w : f32 = 18, foo := false) ret1 : i64, ret2 : i64 {
	 	  ret1 = x + (z + w as i64);
	 };
	 a,b : i64;
	 a, b = test(3,7,2, foo = true);
	 a, b = test(x = 3, y = 30);
};