ceph/src/boost/libs/lambda2/test/lookup_problem.cpp

   1 // Copyright 2021 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/lambda2.hpp>
   6 #include <boost/core/lightweight_test.hpp>
   7
   8 namespace N
   9 {
  10     struct Irrelevant {};
  11     void operator+( Irrelevant, Irrelevant );
  12
  13     int plus_one( int i )
  14     {
  15         using namespace boost::lambda2;
  16         return (_1 + 1)( i );
  17     }
  18 }
  19
  20 int main()
  21 {
  22     BOOST_TEST_EQ( N::plus_one( 4 ), 5 );
  23     return boost::report_errors();
  24 }