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

   1 //  (C) Copyright John Maddock 2001.
   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_USING_TEMPLATE
   9 //  TITLE:         using template declarations
  10 //  DESCRIPTION:   The compiler will not accept a using declaration
  11 //                 that imports a class or function template
  12 //                 into a named namespace.  Probably Borland/MSVC6 specific.
  13
  14 template <class T>
  15 int global_foo(T)
  16 {
  17    return 0;
  18 }
  19
  20 template <class T, class U = void>
  21 struct op
  22 {
  23    friend op<T,U> operator +(const op&, const op&)
  24    {
  25       return op();
  26    };
  27 };
  28
  29 namespace boost_no_using_template{
  30
  31 using ::global_foo;
  32 using ::op;
  33
  34 int test()
  35 {
  36    boost_no_using_template::op<int, int> a;
  37    boost_no_using_template::op<int, int> b;
  38    a+b;
  39    return boost_no_using_template::global_foo(0);
  40 }
  41
  42 }
  43
  44
  45
  46
  47