ceph/src/boost/libs/config/test/boost_no_cxx14_return_type_ded.ipp

   1
   2 //  (C) Copyright Kohei Takahashi 2014
   3
   4 //  Use, modification and distribution are subject to the
   5 //  Boost Software License, Version 1.0. (See accompanying file
   6 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7
   8 //  See http://www.boost.org/libs/config for more information.
   9
  10 //  MACRO:         BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
  11 //  TITLE:         C++14 return type deduction unavailable
  12 //  DESCRIPTION:   The compiler does not support C++14 return type deduction
  13
  14 namespace boost_no_cxx14_return_type_deduction
  15 {
  16
  17 template<typename T>
  18 auto deduced_abs(T x)
  19 {
  20    return x > 0 ? x : -x;
  21 }
  22
  23 int test()
  24 {
  25     return deduced_abs(2) - deduced_abs(-2);
  26 }
  27
  28 }
  29