| 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | namespace pr12262 { |
| 5 | |
| 6 | template<typename T, typename... Ts> |
| 7 | void abc1(int (*xxx)[sizeof ... (Ts) + 1]); |
| 8 | |
| 9 | void qq1 () { |
| 10 | abc1<int>(0); |
| 11 | abc1<int,double>(0); |
| 12 | } |
| 13 | |
| 14 | |
| 15 | template <unsigned N> class array {}; |
| 16 | |
| 17 | |
| 18 | template<typename T, typename... Types> |
| 19 | array<sizeof...(Types)> make_array1(Types&&... args); |
| 20 | |
| 21 | void qq2 () { |
| 22 | array<1> arr = make_array1<int>(1); |
| 23 | array<3> arr2 = make_array1<int>(1,array<5>(),0.1); |
| 24 | } |
| 25 | |
| 26 | |
| 27 | template<typename T, typename... Types> |
| 28 | int make_array(array<sizeof...(Types)>&, Types... args); |
| 29 | |
| 30 | void qq3 () { |
| 31 | array<1> a1; |
| 32 | int aa1 = make_array<int>(a1,1); |
| 33 | array<2> a2; |
| 34 | int aa2 = make_array<int>(a2, 0L, "abc"); |
| 35 | } |
| 36 | |
| 37 | |
| 38 | template<typename ... Ts> |
| 39 | struct AAA { |
| 40 | template<typename T, typename... Types> |
| 41 | static array<sizeof...(Types)> make_array(Types ... args); |
| 42 | }; |
| 43 | |
| 44 | void qq4 () { |
| 45 | array<2> arr2 = AAA<int, int>::make_array<int>(1,2); |
| 46 | } |
| 47 | |
| 48 | } |
| 49 | |
| 50 | |
| 51 | namespace pr12439 { |
| 52 | |
| 53 | template<class... Members> |
| 54 | struct X { |
| 55 | template<int Idx> |
| 56 | using get_t = decltype(sizeof...(Members)); |
| 57 | |
| 58 | template<int i> |
| 59 | get_t<i> get(); |
| 60 | }; |
| 61 | |
| 62 | template<class... Members> |
| 63 | template<int i> |
| 64 | typename X<Members...>::template get_t<i> X<Members...>::get() |
| 65 | { |
| 66 | return 0; |
| 67 | } |
| 68 | |
| 69 | } |
| 70 | |
| 71 | |
| 72 | namespace pr13272 { |
| 73 | |
| 74 | template<bool B, class T = void> |
| 75 | struct enable_if { }; |
| 76 | |
| 77 | template<class T> struct enable_if<true, T> { |
| 78 | typedef T type; |
| 79 | }; |
| 80 | |
| 81 | class Exception {}; |
| 82 | |
| 83 | template<class Ex, typename... Args> |
| 84 | void cxx_throw(typename enable_if<(sizeof...(Args) > 0), const char *>::type fmt, Args&&... args) { |
| 85 | return; |
| 86 | } |
| 87 | |
| 88 | void test() { |
| 89 | cxx_throw<Exception>("Youpi",1); |
| 90 | } |
| 91 | |
| 92 | } |
| 93 | |
| 94 | |
| 95 | namespace pr13817 { |
| 96 | |
| 97 | template <unsigned> |
| 98 | struct zod; |
| 99 | |
| 100 | template <> |
| 101 | struct zod<1> {}; |
| 102 | |
| 103 | template <typename T, typename ... Ts> |
| 104 | zod<sizeof...(Ts)> make_zod(Ts ...) { |
| 105 | return zod<sizeof...(Ts)>(); |
| 106 | } |
| 107 | |
| 108 | int main(int argc, char *argv[]) |
| 109 | { |
| 110 | make_zod<int>(1); |
| 111 | return 0; |
| 112 | } |
| 113 | |
| 114 | } |
| 115 | |
| 116 | |
| 117 | namespace pr14273 { |
| 118 | |
| 119 | template<typename T, int i> |
| 120 | struct myType |
| 121 | { }; |
| 122 | |
| 123 | template<typename T, typename... Args> |
| 124 | struct Counter |
| 125 | { |
| 126 | static const int count = 1 + Counter<Args...>::count; |
| 127 | }; |
| 128 | |
| 129 | template<typename T> |
| 130 | struct Counter<T> |
| 131 | { |
| 132 | static const int count = 1; |
| 133 | }; |
| 134 | |
| 135 | template<typename Arg, typename... Args> |
| 136 | myType<Arg, sizeof...(Args)>* make_array_with_type(const Args&... args) |
| 137 | { |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | void func(void) |
| 142 | { |
| 143 | make_array_with_type<char>(1,2,3); |
| 144 | } |
| 145 | |
| 146 | } |
| 147 | |
| 148 | |
| 149 | namespace pr15112 |
| 150 | { |
| 151 | template<bool, typename _Tp = void> |
| 152 | struct enable_if |
| 153 | { }; |
| 154 | template<typename _Tp> |
| 155 | struct enable_if<true,_Tp> |
| 156 | { typedef _Tp type; }; |
| 157 | |
| 158 | typedef __typeof__(sizeof(int)) size_t; |
| 159 | |
| 160 | template <size_t n, typename T, typename... Args> |
| 161 | struct is_array_of { static const bool value = true; }; |
| 162 | |
| 163 | struct cpu { using value_type = void; }; |
| 164 | |
| 165 | template <size_t Order, typename T> |
| 166 | struct coords_alias { typedef T type; }; |
| 167 | |
| 168 | template <size_t Order, typename MemoryTag> |
| 169 | using coords = typename coords_alias<Order, MemoryTag>::type; |
| 170 | |
| 171 | template <typename MemTag, typename... Args> |
| 172 | typename enable_if<is_array_of<sizeof...(Args), size_t, Args...>::value, |
| 173 | coords<sizeof...(Args), MemTag>>::type |
| 174 | mkcoords(Args... args); |
| 175 | |
| 176 | auto c1 = mkcoords<cpu>(0ul, 0ul, 0ul); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | namespace pr12699 { |
| 181 | |
| 182 | template<bool B> |
| 183 | struct bool_constant |
| 184 | { |
| 185 | static const bool value = B; |
| 186 | }; |
| 187 | |
| 188 | template<typename... A> |
| 189 | struct F |
| 190 | { |
| 191 | template<typename... B> |
| 192 | using SameSize = bool_constant<sizeof...(A) == sizeof...(B)>; |
| 193 | |
| 194 | template<typename... B, typename = SameSize<B...>> |
| 195 | F(B...) { } |
| 196 | }; |
| 197 | |
| 198 | void func() |
| 199 | { |
| 200 | F<int> f1(3); |
| 201 | } |
| 202 | |
| 203 | } |
| 204 | |