blob: c22bb97ecaf8270b4b2017892508221bfcf24c85 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// Generic lambda type dependence test part from N3690 5.1.2.12
// { dg-do compile { target c++1y } }
void f(int, const int (&)[2] = {}) { } // #1
void f(const int&, const int (&)[1]) { } // #2
void test()
{
const int x = 17;
auto g = [](auto a) {
f(x); // OK: calls #1, does not capture x
};
auto g2 = [=](auto a) {
int selector[sizeof(a) == 1 ? 1 : 2]{};
f(x, selector); // OK: is a dependent expression, so captures x
};
}
struct S {
struct N {
auto test () { return 7.f; }
};
};
#include <utility>
int main()
{
auto f = [] <typename T> (T const& s) mutable {
typename T::N x;
return x.test ();
};
auto g = [] (auto const& s) {
typename std::decay<decltype (s)>::type::N x;
return x.test ();
};
S i;
f(i);
g(i);
}
|
