Pull in some dependencies of Boost.Range.

boost/get_pointer.hpp

@@ -0,0 +1,48 @@
+// Copyright Peter Dimov and David Abrahams 2002.
+// 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)
+#ifndef GET_POINTER_DWA20021219_HPP
+#define GET_POINTER_DWA20021219_HPP
+
+#include <boost/config.hpp>
+
+// In order to avoid circular dependencies with Boost.TR1
+// we make sure that our include of <memory> doesn't try to
+// pull in the TR1 headers: that's why we use this header 
+// rather than including <memory> directly:
+#include <boost/config/no_tr1/memory.hpp>  // std::auto_ptr
+
+namespace boost { 
+
+// get_pointer(p) extracts a ->* capable pointer from p
+
+template<class T> T * get_pointer(T * p)
+{
+    return p;
+}
+
+// get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp
+
+template<class T> T * get_pointer(std::auto_ptr<T> const& p)
+{
+    return p.get();
+}
+
+#if !defined( BOOST_NO_CXX11_SMART_PTR )
+
+template<class T> T * get_pointer( std::unique_ptr<T> const& p )
+{
+    return p.get();
+}
+
+template<class T> T * get_pointer( std::shared_ptr<T> const& p )
+{
+    return p.get();
+}
+
+#endif
+
+} // namespace boost
+
+#endif // GET_POINTER_DWA20021219_HPP