This code compiles with visual studio 2015.
#include <boost/multi_index_container.hpp>
#include <boost/multi_index/hashed_index.hpp>
#include <boost/multi_index/key_extractors.hpp>
#include <boost/multi_index/sequenced_index.hpp>
#include <boost/multi_index/random_access_index.hpp>
#include <memory>
namespace bmi = boost::multi_index;
class Link {};
typedef std::shared_ptr<Link> Link_Ptr;
struct ByRnd {};
struct ByPtr {};
typedef boost::multi_index_container<Link_Ptr,
bmi::indexed_by<
bmi::random_access<
bmi::tag<ByRnd>
>,
bmi::hashed_unique<
bmi::tag<ByPtr>,
bmi::const_mem_fun<Link_Ptr, Link*, &Link_Ptr::get>
>
>
> Store;
Store store;
int main() {}
However, on Ubuntu I am using GCC 6.2 and boost 1.62. And I get the following error:
error: could not convert template argument ‘&std::__shared_ptr::get’ to ‘Link* (std::shared_ptr::*)() const’ bmi::const_mem_fun
and clang 3.8: error: non-type template argument of type 'Link (std::__shared_ptr::)() const noexcept' cannot be converted to a value of type 'Link (std::shared_ptr::)() const' bmi::const_mem_fun
If I use boost::shared_ptr instead, GCC compiles fine too.
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