ceph/src/boost/libs/config/test/boost_no_cxx17_std_apply.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_APPLY
   9 //  TITLE:         apply
  10 //  DESCRIPTION:   The compiler supports the std::apply() function.
  11
  12 #include <functional>
  13 #include <tuple>
  14
  15 namespace boost_no_cxx17_std_apply {
  16
  17 int foo( int i, int j) {
  18     return i + j;
  19 }
  20
  21 int test() {
  22     int i = 1, j = 2;
  23     std::apply( foo, std::make_tuple( i, j) );
  24     return 0;
  25 }
  26
  27 }
  28