1 // Basic uses of initializer lists
2 // { dg-do run { target c++11 } }
3
4 #include <initializer_list>
5
6 extern "C" void abort();
7
8 using namespace std;
9
AA10 struct A { int i,j; A(int _i,int _j): i(_i), j(_j) {} };
BB11 struct B { A a; B(A _a): a(_a) {} };
CC12 struct C { B b; C(B _b): b(_b) {} };
13
14 struct D
15 {
16 int ia[3];
DD17 D (initializer_list<int> l)
18 {
19 const int *p = l.begin();
20 for (int i = 0; i < 3; ++i)
21 ia[i] = *p++;
22 }
23 };
24
f(C c)25 void f(C c)
26 {
27 if (c.b.a.i != 1) abort();
28 if (c.b.a.j != 2) abort();
29 }
30 void f(int);
31
g(D d)32 void g(D d)
33 {
34 if (d.ia[0] != 1 || d.ia[1] != 2 || d.ia[2] != 3)
35 abort();
36 }
37
38 struct E
39 {
40 int i, j, k;
41 };
42
h(E e)43 void h(E e)
44 {
45 if (e.i != 1 || e.j != 2 || e.k != 3)
46 abort();
47 }
48
i(initializer_list<int> l)49 void i(initializer_list<int> l)
50 {
51 const int *p = l.begin();
52 if (*p++ != 1) abort();
53 if (*p++ != 2) abort();
54 if (*p++ != 3) abort();
55 if (p != l.end()) abort();
56 }
57
UU58 struct U { U(int, int) {} };
59 U ua[] = { { 3, 2 } };
60
main()61 int main()
62 {
63 g({1,2,3});
64
65 h({1,2,3});
66
67 f({{{1,2}}});
68 f({{A{1,2}}});
69
70 i({1,2,3});
71 }
72