The following code gives me a compiler error on Visual Studio 2010 with both Boost 1.48 and 1.49beta1:
#include <string>
#include
#include
#include
class Incomplete;
typedef boost::interprocess::allocator,
boost::interprocess::managed_shared_memory::segment_manager> Allocator;
typedef boost::interprocess::mapstd::string, Allocator1> IncompleteMap;
class Incomplete
{
IncompleteMap blah;
};
This code compiles fine if I instead use std::allocator.
As best as I can tell from the compiler message, at some point in the instantiation of map, boost::container::container_detail::version<T> is instantiated with
T=boost::interprocess::allocator<
boost::container::container_detail::rbtree_node<
std::pairstd::string,Incomplete,
boost::interprocess::offset_ptr<void>
>,
boost::interprocess::segment_manager<
char,
boost::interprocess::rbtree_best_fit<
boost::interprocess::mutex_family
>,
boost::interprocess::iset_index
>
Which results in boost::container::container_detail::is_convertable being instantiated with
T=boost::container::container_detail::version_type<
boost::interprocess::allocator<...>, // Same as above
0
U=boost::container::container_detail::version_type<
boost::interprocess::allocator<...>,
2
Somehow (I'm quite fuzzy on this), this results in boost::container::container_detail::rbtree_node being instantiated with T=std::pairstd::string,Incomplete. This then results in the pair being instantiated, which has a member of type Incomplete... BOOM!
If I replace container_detail::is_convertible in extract_version with boost::is_convertible from Boost.TypeTraits (or with std::is_convertible, for that matter), the code above successfully compiles. Is this a valid temporary workaround, or will it lead to other complications?
Thank you,
Erik Jensen
