ceph/src/boost/libs/config/test/boost_no_cxx17_std_invoke.ipp

   1 //  (C) Copyright Oliver Kowalke 2016.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/config for most recent version.
   7
   8 //  MACRO:         BOOST_NO_CXX17_STD_INVOKE
   9 //  TITLE:         invoke
  10 //  DESCRIPTION:   The compiler supports the std::invoke() function.
  11
  12 #include <functional>
  13
  14 namespace boost_no_cxx17_std_invoke {
  15
  16 int foo( int i, int j) {
  17     return i + j;
  18 }
  19
  20 int test() {
  21     int i = 1, j = 2;
  22     typename std::invoke_result<int(&)(int,int), int, int>::type t = std::invoke( foo, i, j);
  23     return 0;
  24 }
  25
  26 }
  27