ceph/src/boost/libs/phoenix/test/scope/lambda_tests1b1s.cpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2007 Joel de Guzman
   3     Copyright (c) 2014      John Fletcher
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #include <iostream>
   9 #include <cmath>
  10 #include <algorithm>
  11 #include <vector>
  12
  13 #include <typeinfo>
  14
  15 #include <boost/detail/lightweight_test.hpp>
  16 #include <boost/phoenix/core.hpp>
  17 #include <boost/phoenix/operator.hpp>
  18 #include <boost/phoenix/function.hpp>
  19 //#include <boost/phoenix/bind.hpp>
  20 #include <boost/phoenix/scope.hpp>
  21
  22 struct zzz {};
  23
  24 int
  25 main()
  26 {
  27     using boost::phoenix::lambda;
  28     using boost::phoenix::let;
  29     using boost::phoenix::ref;
  30     using boost::phoenix::val;
  31     using boost::phoenix::arg_names::_1;
  32     //using boost::phoenix::arg_names::_2;
  33     using boost::phoenix::local_names::_a;
  34     //using boost::phoenix::local_names::_b;
  35     //    using boost::phoenix::placeholders::arg1;
  36
  37
  38     {
  39         int x = 1;
  40         //long x2 = 2;
  41         //short x3 = 3;
  42         char const* y = "hello";
  43         //zzz z;
  44
  45         //BOOST_TEST(lambda[_1](x)(y) == y);
  46         //BOOST_TEST(lambda(_a = _1)[_a](x)(y) == x);
  47         //BOOST_TEST(lambda(_a = _1)[lambda[_a]](x)(y)(z) == x);
  48         BOOST_TEST(lambda(_a = _1)[lambda[_a + _1]](x)(y)(x) == 2);
  49         //BOOST_TEST(lambda(_a = _1)[lambda(_b = _1)[_a + _b + _1]](x)(x2)(x3) == 6);
  50     }
  51
  52     /*
  53     {
  54         int x = 1, y = 10;
  55         BOOST_TEST(
  56             (_1 + lambda(_a = _1)[_a + _1 + 2])(x)(y) == 1+1+10+2
  57         );
  58     }
  59
  60     {
  61         int x = 1, y = 10;
  62         BOOST_TEST(
  63         (
  64                 _1 +
  65                 lambda(_a = _1)
  66                 [
  67                     _a + lambda[_a + 2]
  68                 ]
  69             )
  70             (x)(y)(y) == 1+1+1+2
  71         );
  72     }
  73     */
  74     return boost::report_errors();
  75 }