| // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
| |
| // FIXME: More bullets to go! |
| |
| template<typename T, typename U> |
| struct has_nondeduced_pack_test { |
| static const bool value = false; |
| }; |
| |
| template<typename R, typename FirstType, typename ...Types> |
| struct has_nondeduced_pack_test<R(FirstType, Types..., int), |
| R(FirstType, Types...)> { |
| static const bool value = true; |
| }; |
| |
| // - A function parameter pack that does not occur at the end of the |
| // parameter-declaration-clause. |
| // |
| // We interpret [temp.deduct.call]p1's |
| // |
| // "When a function parameter pack appears in a non-deduced context |
| // (12.9.2.5), the type of that pack is never deduced." |
| // |
| // as applying in all deduction contexts, not just [temp.deduct.call], |
| // so we do *not* deduce Types from the second argument here. (More |
| // precisely, we deduce it as <> when processing the first argument, |
| // and then fail because 'int' doesn't match 'double, int'.) |
| int check_nondeduced_pack_test0[ |
| has_nondeduced_pack_test<int(float, double, int), |
| int(float, double)>::value? -1 : 1]; |
| |
| template<typename ...T> void has_non_trailing_pack(T ..., int); |
| void (*ptr_has_non_trailing_pack)(char, int) = has_non_trailing_pack<char>; |
| |
| template<typename ...T, typename U> void has_non_trailing_pack_and_more(T ..., U); // expected-note {{failed}} |
| void (*ptr_has_non_trailing_pack_and_more_1)(float, double, int) = &has_non_trailing_pack_and_more<float, double>; |
| void (*ptr_has_non_trailing_pack_and_more_2)(float, double, int) = &has_non_trailing_pack_and_more<float>; // expected-error {{does not match}} |
