Function get_dynamic_allocator

include/boost/leaf/error.hpp:472–477

{
#if BOOST_LEAF_CFG_CAPTURE
    inline dynamic_allocator * get_dynamic_allocator() noexcept
    {
        if( slot<dynamic_allocator> * sl = tls::read_ptr<slot<dynamic_allocator>>() )
            return &sl->get();
        return nullptr;
    }
#endif

    template <class E>