message_forward.h
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27 
28 #ifndef ROSLIB_MESSAGE_FORWARD_H
29 #define ROSLIB_MESSAGE_FORWARD_H
30 
31 // Make sure that either __GLIBCXX__ or _LIBCPP_VERSION is defined.
32 #include <cstddef>
33 
34 // C++ standard section 17.4.3.1/1 states that forward declarations of STL types
35 // that aren't specializations involving user defined types results in undefined
36 // behavior. Apparently only libc++ has a problem with this and won't compile it.
37 #ifndef _LIBCPP_VERSION
38 namespace std
39 {
40 template<typename T> class allocator;
41 }
42 #else
43 #include <memory>
44 #endif
45 
46 namespace boost
47 {
48 template<typename T> class shared_ptr;
49 }
50 
58 #define ROS_DECLARE_MESSAGE_WITH_ALLOCATOR(msg, new_name, alloc) \
59  template<class Allocator> struct msg##_; \
60  typedef msg##_<alloc<void> > new_name; \
61  typedef boost::shared_ptr<new_name> new_name##Ptr; \
62  typedef boost::shared_ptr<new_name const> new_name##ConstPtr;
63 
68 #define ROS_DECLARE_MESSAGE(msg) ROS_DECLARE_MESSAGE_WITH_ALLOCATOR(msg, msg, std::allocator)
69 
70 #endif // ROSLIB_MESSAGE_FORWARD_H
boost::shared_ptr
Definition: message_forward.h:48
boost
std::allocator
Definition: message_forward.h:40
std
Definition: message_forward.h:38


roscpp_traits
Author(s): Josh Faust, Dirk Thomas
autogenerated on Sat Jun 17 2023 02:32:39