ceph/src/boost/libs/local_function/test/transform_seq.cpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/local_function
   7
   8 #include <boost/local_function.hpp>
   9 #include <boost/detail/lightweight_test.hpp>
  10 #include <algorithm>
  11 #include <vector>
  12
  13 int main(void) {
  14     int offset = 5;
  15     std::vector<int> v;
  16     std::vector<int> w;
  17
  18     for(int i = 1; i <= 2; ++i) v.push_back(i * 10);
  19     BOOST_TEST(v[0] == 10); BOOST_TEST(v[1] == 20);
  20     w.resize(v.size());
  21
  22     int BOOST_LOCAL_FUNCTION( (const bind& offset) (int i) ) {
  23         return ++i + offset;
  24     } BOOST_LOCAL_FUNCTION_NAME(inc)
  25
  26     std::transform(v.begin(), v.end(), w.begin(), inc);
  27     BOOST_TEST(w[0] == 16); BOOST_TEST(w[1] == 26);
  28
  29     int BOOST_LOCAL_FUNCTION( (bind& inc) (int i) (int j) ) {
  30         return inc(i + j);
  31     } BOOST_LOCAL_FUNCTION_NAME(inc_sum)
  32
  33     offset = 0;
  34     std::transform(v.begin(), v.end(), w.begin(), v.begin(), inc_sum);
  35     BOOST_TEST(v[0] == 27); BOOST_TEST(v[1] == 47);
  36
  37     return boost::report_errors();
  38 }
  39