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

   1 //  Copyright (C) Joaquin M Lopez Munoz 2004.
   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_POINTER_TO_MEMBER_TEMPLATE_PARAMETERS
   9 //  TITLE:         pointers to members as template arguments
  10 //  DESCRIPTION:   Non-type template parameters which take pointers
  11 //                 to members, fail to work correctly.
  12
  13
  14 namespace boost_no_pointer_to_member_template_parameters{
  15
  16 struct pair
  17 {
  18    int x, y;
  19
  20    pair(int x_,int y_)
  21       : x(x_), y(y_)
  22       {}
  23 };
  24
  25 template<int pair::* PtrToPairMember>
  26 struct foo
  27 {
  28    int bar(pair& p)
  29    {
  30       return p.*PtrToPairMember;
  31    }
  32 };
  33
  34 int test()
  35 {
  36    pair p(0,1);
  37    foo<&pair::x> fx;
  38    foo<&pair::y> fy;
  39
  40    if((fx.bar(p) != 0) || (fy.bar(p) != 1))
  41       return 1;
  42    return 0;
  43 }
  44
  45 }
  46
  47
  48
  49
  50