libcxx

libcxx mirror with random patches
git clone https://git.neptards.moe/neptards/libcxx.git
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tuple_size.pass.cpp (983B)

      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <utility>
     11 
     12 // template <class T1, class T2> struct pair
     13 
     14 // tuple_size<pair<T1, T2> >::value
     15 
     16 #include <utility>
     17 
     18 int main()
     19 {
     20     {
     21         typedef std::pair<int, short> P1;
     22         static_assert((std::tuple_size<P1>::value == 2), "");
     23     }
     24     {
     25         typedef std::pair<int, short> const P1;
     26         static_assert((std::tuple_size<P1>::value == 2), "");
     27     }
     28     {
     29         typedef std::pair<int, short> volatile P1;
     30         static_assert((std::tuple_size<P1>::value == 2), "");
     31     }
     32     {
     33         typedef std::pair<int, short> const volatile P1;
     34         static_assert((std::tuple_size<P1>::value == 2), "");
     35     }
     36 }