ceph/src/boost/libs/hana/test/detail/type_at.cpp

   1 // Copyright Louis Dionne 2013-2017
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/hana/detail/type_at.hpp>
   6
   7 #include <type_traits>
   8 namespace hana = boost::hana;
   9
  10
  11 template <int>
  12 struct x;
  13
  14 static_assert(std::is_same<
  15     hana::detail::type_at<0, x<0>>::type,
  16     x<0>
  17 >{}, "");
  18 static_assert(std::is_same<
  19     hana::detail::type_at<0, x<0>, x<1>>::type,
  20     x<0>
  21 >{}, "");
  22 static_assert(std::is_same<
  23     hana::detail::type_at<0, x<0>, x<1>, x<2>>::type,
  24     x<0>
  25 >{}, "");
  26
  27 static_assert(std::is_same<
  28     hana::detail::type_at<1, x<0>, x<1>>::type,
  29     x<1>
  30 >{}, "");
  31 static_assert(std::is_same<
  32     hana::detail::type_at<1, x<0>, x<1>, x<2>>::type,
  33     x<1>
  34 >{}, "");
  35 static_assert(std::is_same<
  36     hana::detail::type_at<1, x<0>, x<1>, x<2>, x<3>>::type,
  37     x<1>
  38 >{}, "");
  39
  40 static_assert(std::is_same<
  41     hana::detail::type_at<2, x<0>, x<1>, x<2>>::type,
  42     x<2>
  43 >{}, "");
  44 static_assert(std::is_same<
  45     hana::detail::type_at<2, x<0>, x<1>, x<2>, x<3>>::type,
  46     x<2>
  47 >{}, "");
  48 static_assert(std::is_same<
  49     hana::detail::type_at<2, x<0>, x<1>, x<2>, x<3>, x<4>>::type,
  50     x<2>
  51 >{}, "");
  52
  53 static_assert(std::is_same<
  54     hana::detail::type_at<3, x<0>, x<1>, x<2>, x<3>>::type,
  55     x<3>
  56 >{}, "");
  57 static_assert(std::is_same<
  58     hana::detail::type_at<3, x<0>, x<1>, x<2>, x<3>, x<4>>::type,
  59     x<3>
  60 >{}, "");
  61 static_assert(std::is_same<
  62     hana::detail::type_at<3, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>>::type,
  63     x<3>
  64 >{}, "");
  65
  66 static_assert(std::is_same<
  67     hana::detail::type_at<4, x<0>, x<1>, x<2>, x<3>, x<4>>::type,
  68     x<4>
  69 >{}, "");
  70 static_assert(std::is_same<
  71     hana::detail::type_at<4, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>>::type,
  72     x<4>
  73 >{}, "");
  74 static_assert(std::is_same<
  75     hana::detail::type_at<4, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>, x<6>>::type,
  76     x<4>
  77 >{}, "");
  78
  79 static_assert(std::is_same<
  80     hana::detail::type_at<5, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>>::type,
  81     x<5>
  82 >{}, "");
  83 static_assert(std::is_same<
  84     hana::detail::type_at<5, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>, x<6>>::type,
  85     x<5>
  86 >{}, "");
  87 static_assert(std::is_same<
  88     hana::detail::type_at<5, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>, x<6>, x<7>>::type,
  89     x<5>
  90 >{}, "");
  91
  92 static_assert(std::is_same<
  93     hana::detail::type_at<6, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>, x<6>>::type,
  94     x<6>
  95 >{}, "");
  96
  97 static_assert(std::is_same<
  98     hana::detail::type_at<7, x<0>, x<1>, x<2>, x<3>, x<4>, x<5>, x<6>, x<7>>::type,
  99     x<7>
 100 >{}, "");
 101
 102 int main() { }