| // { dg-do compile } |
| // { dg-options "-std=gnu++0x" } |
| |
| // From N2235 |
| |
| // function template 1 |
| template<typename T> |
| constexpr int bytesize(T t) |
| { return sizeof (t); } // OK |
| |
| char buf[bytesize(0)]; // OK -- not C99 VLA |
| |
| |
| // function template 2 |
| template<typename _Tp> |
| constexpr _Tp |
| square(_Tp x) { return x; } |
| |
| // Explicit specialization |
| template<> |
| constexpr unsigned long |
| square(unsigned long x) { return x * x; } |
| |
| // Explicit instantiation |
| template int square(int); |
| |
| class A { }; |
| template A square(A); |
| |
| template long square(long); |
