boost/libs/graph/example/container_gen.cpp
2021-10-05 21:37:46 +02:00

51 lines
1.3 KiB
C++

//=======================================================================
// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
#include <boost/graph/adjacency_list.hpp>
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
&& !defined(BOOST_NO_STD_ALLOCATOR)
template < class Allocator > struct list_with_allocatorS
{
};
namespace boost
{
template < class Alloc, class ValueType >
struct container_gen< list_with_allocatorS< Alloc >, ValueType >
{
typedef typename Alloc::template rebind< ValueType >::other Allocator;
typedef std::list< ValueType, Allocator > type;
};
template < class Alloc >
struct parallel_edge_traits< list_with_allocatorS< Alloc > >
{
typedef allow_parallel_edge_tag type;
};
}
// now you can define a graph using std::list and a specific allocator
typedef boost::adjacency_list< list_with_allocatorS< std::allocator< int > >,
boost::vecS, boost::directedS >
MyGraph;
int main(int, char*[])
{
MyGraph g(5);
return 0;
}
#else
int main(int, char*[]) { return 0; }
#endif