156. 부모 타입 참조의 오버로딩 선택과 반환형

1print i undef
2    (a) undefined undef
3        0; undefined 
4    u
5 
6    undefined undefined } f
7        int undefined
8    x
9(
10 
11if undefined undefined (a) 
12    undefined int 0; 
13        undefined i x
14    =
15 
16    { (a) i 0
17    undefined undefined
18        undefined und
19    u
20u
21 
22undefined undefined
23    undefined undefined undefined undefined 
24        undefined int x (a) un
25        { undefined undefined 
26        = undefined u
27        = x x undefined undefined } undefined 0; undefin
28        undefined undefined = } } undefined (a) { undefi
29        undefined (a) undefined undefined undefined undefined
30        undefined (a) undefin
31        undefined 0; undefined int undefin
32    u
33u