ceph/src/boost/libs/callable_traits/example/remove_member_const.cpp

   1 /*<-
   2 Copyright Barrett Adair 2016-2017
   3 Distributed under the Boost Software License, Version 1.0.
   4 (See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
   5 ->*/
   6
   7 #include <boost/callable_traits/detail/config.hpp>
   8 #ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
   9 int main(){ return 0; }
  10 #else
  11
  12 //[ remove_member_const
  13 #include <type_traits>
  14 #include <boost/callable_traits/remove_member_const.hpp>
  15
  16 namespace ct = boost::callable_traits;
  17
  18 struct foo {};
  19
  20 int main() {
  21
  22     {
  23         using pmf = int(foo::*)() const;
  24         using expect = int(foo::*)();
  25         using test = ct::remove_member_const_t<pmf>;
  26         static_assert(std::is_same<test, expect>::value, "");
  27     } {
  28         using pmf = int(foo::*)() const &&;
  29         using expect = int(foo::*)() &&;
  30         using test = ct::remove_member_const_t<pmf>;
  31         static_assert(std::is_same<test, expect>::value, "");
  32     } {
  33         using pmf = int(foo::*)() const volatile &;
  34         using expect = int(foo::*)() volatile &;
  35         using test = ct::remove_member_const_t<pmf>;
  36         static_assert(std::is_same<test, expect>::value, "");
  37     } {
  38         using f = int() const;
  39         using expect = int();
  40         using test = ct::remove_member_const_t<f>;
  41         static_assert(std::is_same<test, expect>::value, "");
  42     }
  43 }
  44 //]
  45 #endif //#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS