1#unittest {
2	name: "Test function declaration.";
3	note: "Crash in f1 with 'return a+b;'"
4	result: 30;
5};
6
7func f1() {
8	var a, b;
9	var c = func() {return 10;};
10
11	a = 10;
12	b = 20;
13	return c();
14}
15
16func main() {
17	var a = 10;
18	const b = 20;
19	return a + b;
20}