ext_declarations.h

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#ifndef DECLARATIONS_EXTERNAL_H_
#define DECLARATIONS_EXTERNAL_H_

// #ifndef _GLIBCXX_BEGIN_NAMESPACE_CXX11
// #define _GLIBCXX_BEGIN_NAMESPACE_CXX11
// #define _GLIBCXX_END_NAMESPACE_CXX11
// #endif

// forward declarations for std:: templates is dangerous and can lead to
// ambiguities with some compilers. Let's not do this.

#include <vector>
#include <set>
#include <map>
#include <list>


namespace boost
{
  template < typename T, std::size_t D >          class array;
  template < typename T >                         class shared_ptr;
}

// namespace std
// {
//   // in gcc 5.2 list is defined in std::__cxx11 namespace
// _GLIBCXX_BEGIN_NAMESPACE_CXX11
//   template < typename T, typename TAlloc >        class list;
// _GLIBCXX_END_NAMESPACE_CXX11
//
//   template < typename TKey, typename TValue, typename TCompare, typename TAlloc >
//                                                   class map;
//   template < typename TKey, typename TValue, typename TCompare, typename TAlloc >
//                                                   class multimap;
//   template < typename TKey, typename TCompare, typename TAlloc >
//                                                   class set;
//   template < typename T, typename TAlloc >        class vector;
// }

#endif /*DECLARATIONS_EXTERNAL_H_*/