type_adapter.hpp File Reference

#include <type_traits>

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Classes
struct	rclcpp::TypeAdapter< CustomType, ROSMessageType, Enable >
	Template structure used to adapt custom, user-defined types to ROS types. More...
struct	rclcpp::is_type_adapter< T >
	Helper template to determine if a type is a TypeAdapter, false specialization. More...
struct	rclcpp::is_type_adapter< TypeAdapter< Ts... > >
	Helper template to determine if a type is a TypeAdapter, true specialization. More...
struct	rclcpp::TypeAdapter< T, void, std::enable_if_t< is_type_adapter< T >::value > >
	Identity specialization for TypeAdapter. More...
struct	rclcpp::detail::assert_type_pair_is_specialized_type_adapter< CustomType, ROSMessageType >
struct	rclcpp::adapt_type< CustomType >
	Template metafunction that can make the type being adapted explicit. More...
struct	rclcpp::ImplicitTypeAdapter< CustomType >
	Implicit type adapter used as a short hand way to create something with just the custom type. More...
struct	rclcpp::TypeAdapter< T, void, std::enable_if_t< ImplicitTypeAdapter< T >::is_specialized::value > >
	Specialization of TypeAdapter for ImplicitTypeAdapter. More...

Namespaces
namespace	rclcpp
namespace	rclcpp::detail

Macros
#define	RCLCPP_USING_CUSTOM_TYPE_AS_ROS_MESSAGE_TYPE(CustomType, ROSMessageType)
	Assigns the custom type implicitly to the given custom type/ros message type pair. More...

Macro Definition Documentation

RCLCPP_USING_CUSTOM_TYPE_AS_ROS_MESSAGE_TYPE

#define RCLCPP_USING_CUSTOM_TYPE_AS_ROS_MESSAGE_TYPE	(		CustomType,
			ROSMessageType
	)

Value:

  template<> \
  struct rclcpp::ImplicitTypeAdapter<CustomType> \
    : public rclcpp::TypeAdapter<CustomType, ROSMessageType> \
  { \
    static_assert( \
      is_specialized::value, \
      "Cannot use custom type as ros type when there is no TypeAdapter for that pair"); \
  }

Assigns the custom type implicitly to the given custom type/ros message type pair.

Note: this macro needs to be used in the root namespace. We cannot use rclcpp to protect against this, due to how GCC interprets the syntax, see: https://stackoverflow.com/a/2781537

See also

TypeAdapter

ImplicitTypeAdapter

Definition at line 189 of file type_adapter.hpp.