| // Generic lambda test from N3690 5.1.2.5 |
| // { dg-do compile { target c++14 } } |
| |
| struct A { } cout; |
| template <class T> A& operator<<(A& a, T); |
| |
| int main() |
| { |
| auto glambda = [](auto a, auto&& b) { return a < b; }; |
| bool b = glambda(3, 3.14); // OK |
| auto vglambda = [](auto printer) { |
| return [=](auto ... ts) { // OK: ts is a function parameter pack |
| printer(ts ...); |
| return [=]() { |
| printer(ts ...); |
| }; |
| }; |
| }; |
| auto p = vglambda( [](auto v1, auto v2, auto v3) |
| { cout << v1 << v2 << v3; } ); |
| auto q = p(1, 'a', 3.14); // OK: outputs 1a3.14 |
| q(); // OK: outputs 1a3.14 |
| } |
| |