message_filters
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  • Python API
    • message_filters package
      • Submodules
        • message_filters.delta_filter module
        • message_filters.input_aligner module
        • message_filters.simple_filter module
      • Module contents
        • ApproximateTimeSynchronizer
        • Cache
        • Chain
        • Subscriber
        • TimeSequencer
        • TimeSynchronizer
  • C++ API
    • Page Hierarchy
    • File Hierarchy
    • Full C++ API
      • Namespaces
        • Namespace message_filters
        • Namespace message_filters::message_traits
        • Namespace message_filters::sync_policies
        • Namespace std
      • Classes and Structs
        • Struct Chain::FilterInfo
        • Template Struct DefaultMessageCreator
        • Template Struct InputAligner::EventSort
        • Struct InputAligner::QueueStatus
        • Template Struct FrameId
        • Template Struct FrameId< M, typename std::enable_if< HasHeader< M >::value >::type >
        • Template Struct HasHeader
        • Template Struct HasHeader< M, typename std::enable_if< std::is_same< std_msgs::msg::Header, decltype(M().header) >::value >::type >
        • Template Struct TimeStamp
        • Template Struct TimeStamp< M, typename std::enable_if< HasHeader< M >::value >::type >
        • Template Struct TimeStamp< message_filters::NullType >
        • Template Struct message_type
        • Template Struct message_type< M, false >
        • Template Struct message_type< M, true >
        • Template Struct NullFilter
        • Struct NullType
        • Template Struct ParameterAdapter
        • Template Struct ParameterAdapter< const M & >
        • Template Struct ParameterAdapter< const MessageEvent< M >, & >
        • Template Struct ParameterAdapter< const MessageEvent< M const >, & >
        • Template Struct ParameterAdapter< const std::shared_ptr< M >, & >
        • Template Struct ParameterAdapter< const std::shared_ptr< M const >, & >
        • Template Struct ParameterAdapter< std::shared_ptr< M > >
        • Template Struct ParameterAdapter< std::shared_ptr< M const > >
        • Template Struct PolicyBase
        • Template Struct ApproximateTime
        • Template Struct ExactTime
        • Template Struct LatestTime
        • Struct LatestTime::Rate
        • Template Class Cache
        • Template Class CachedComparisonHandler
        • Template Class CallbackHelper1
        • Template Class CallbackHelper1T
        • Template Class CallbackHelper9
        • Template Class CallbackHelper9T
        • Template Class Chain
        • Class ChainBase
        • Template Class ComparisonFilter
        • Template Class ComparisonHandler
        • Class Connection
        • Template Class DeltaCompare
        • Template Class DeltaFilter
        • Template Class InputAligner
        • Template Class InputAligner::EventQueue
        • Template Class MessageEvent
        • Class noncopyable
        • Template Class PassThrough
        • Template Class Signal1
        • Template Class Signal9
        • Template Class SimpleFilter
        • Template Class Subscriber
        • Class SubscriberBase
        • Template Class ApproximateEpsilonTime
        • Template Class Synchronizer
        • Template Class TimeSequencer
        • Class TimeSequencer::MessageSort
        • Template Class TimeSynchronizer
      • Defines
        • Define MESSAGE_FILTERS_EXPORT
        • Define MESSAGE_FILTERS_IMPORT
        • Define MESSAGE_FILTERS_LOCAL
        • Define MESSAGE_FILTERS_PUBLIC
      • Typedefs
        • Typedef message_filters::ChainBasePtr
        • Typedef message_filters::M_string
        • Typedef message_filters::M_stringPtr
        • Typedef message_filters::message_type_t
        • Typedef message_filters::MFieldType
        • Typedef message_filters::NullTypeConstPtr
      • Directories
        • Directory include
        • Directory message_filters
        • Directory sync_policies
      • Files
        • File approximate_epsilon_time.hpp
        • File approximate_time.hpp
        • File cache.hpp
        • File chain.hpp
        • File connection.hpp
        • File delta_filter.hpp
        • File exact_time.hpp
        • File input_aligner.hpp
        • File latest_time.hpp
        • File message_event.hpp
        • File message_traits.hpp
        • File null_types.hpp
        • File parameter_adapter.hpp
        • File pass_through.hpp
        • File signal1.hpp
        • File signal9.hpp
        • File simple_filter.hpp
        • File subscriber.hpp
        • File synchronizer.hpp
        • File time_sequencer.hpp
        • File time_synchronizer.hpp
        • File visibility_control.hpp
      • Pages
        • Todo List
  • Standard Documents
    • PACKAGE
    • CHANGELOG
      • Changelog for package message_filters
        • 8.0.1 (2026-05-13)
        • 8.0.0 (2026-05-06)
        • 7.3.8 (2026-04-09)
        • 7.3.7 (2026-03-24)
        • 7.3.6 (2026-02-04)
        • 7.3.5 (2026-01-15)
        • 7.3.4 (2025-11-12)
        • 7.3.3 (2025-10-15)
        • 7.3.2 (2025-10-03)
        • 7.3.1 (2025-09-17)
        • 7.3.0 (2025-07-29)
        • 7.2.2 (2025-07-01)
        • 7.2.1 (2025-05-14)
        • 7.2.0 (2025-04-25)
        • 7.1.0 (2025-04-08)
        • 7.0.2 (2025-03-13)
        • 7.0.1 (2025-01-31)
        • 7.0.0 (2024-12-20)
        • 6.0.7 (2024-11-20)
        • 6.0.6 (2024-10-16)
        • 6.0.5 (2024-10-03)
        • 6.0.4 (2024-08-19)
        • 6.0.3 (2024-07-31)
        • 6.0.2 (2024-07-29)
        • 6.0.1 (2024-07-19)
        • 6.0.0 (2024-06-26)
        • 5.0.0 (2024-06-17)
        • 4.12.0 (2024-04-26)
        • 4.11.1 (2024-04-16)
        • 4.11.0 (2023-12-26)
        • 4.10.1 (2023-11-06)
        • 4.10.0 (2023-08-21)
        • 4.9.1 (2023-07-11)
        • 4.9.0 (2023-06-07)
        • 4.8.0 (2023-04-27)
        • 4.7.0 (2023-02-13)
        • 4.6.1 (2022-10-05)
        • 4.5.0 (2022-09-13)
        • 4.4.1 (2022-06-20)
        • 4.4.0 (2022-04-29)
        • 4.3.1 (2022-03-25)
        • 4.3.0 (2022-03-01)
        • 4.2.0 (2021-10-18)
        • 4.1.0 (2021-07-29)
        • 4.0.0 (2021-05-26)
        • 3.2.6 (2021-05-12)
        • 3.2.5 (2020-12-10)
        • 3.2.4 (2020-06-03)
        • 3.2.3 (2019-11-18)
        • 3.2.2 (2019-11-08)
        • 3.2.1 (2019-10-23)
        • 3.2.0 (2019-09-26)
        • 3.1.2 (2019-05-20)
        • 3.1.1 (2019-05-08)
        • 3.1.0 (2019-04-14)
        • 3.0.0 (2018-11-22)
        • 1.14.2 (2018-06-06)
        • 1.14.1 (2018-05-21)
        • 1.14.0 (2018-05-21)
        • 1.13.6 (2018-02-05)
        • 1.13.5 (2017-11-09)
        • 1.13.4 (2017-11-02)
        • 1.13.3 (2017-10-25)
        • 1.13.2 (2017-08-15)
        • 1.13.1 (2017-07-27)
        • 1.13.0 (2017-02-22)
        • 1.12.7 (2017-02-17)
        • 1.12.6 (2016-10-26)
        • 1.12.5 (2016-09-30)
        • 1.12.4 (2016-09-19)
        • 1.12.3 (2016-09-17)
        • 1.12.2 (2016-06-03)
        • 1.12.1 (2016-04-18)
        • 1.12.0 (2016-03-18)
        • 1.11.18 (2016-03-17)
        • 1.11.17 (2016-03-11)
        • 1.11.16 (2015-11-09)
        • 1.11.15 (2015-10-13)
        • 1.11.14 (2015-09-19)
        • 1.11.13 (2015-04-28)
        • 1.11.12 (2015-04-27)
        • 1.11.11 (2015-04-16)
        • 1.11.10 (2014-12-22)
        • 1.11.9 (2014-08-18)
        • 1.11.8 (2014-08-04)
        • 1.11.7 (2014-07-18)
        • 1.11.6 (2014-07-10)
        • 1.11.5 (2014-06-24)
        • 1.11.4 (2014-06-16)
        • 1.11.3 (2014-05-21)
        • 1.11.2 (2014-05-08)
        • 1.11.1 (2014-05-07)
        • 1.11.0 (2014-03-04)
        • 1.10.0 (2014-02-11)
        • 1.9.54 (2014-01-27)
        • 1.9.53 (2014-01-14)
        • 1.9.52 (2014-01-08)
        • 1.9.51 (2014-01-07)
        • 1.9.50 (2013-10-04)
        • 1.9.49 (2013-09-16)
        • 1.9.48 (2013-08-21)
        • 1.9.47 (2013-07-03)
        • 1.9.46 (2013-06-18)
        • 1.9.45 (2013-06-06)
        • 1.9.44 (2013-03-21)
        • 1.9.43 (2013-03-13)
        • 1.9.42 (2013-03-08)
        • 1.9.41 (2013-01-24)
        • 1.9.40 (2013-01-13)
        • 1.9.39 (2012-12-29)
    • README
      • ROS 2 message filters
    • CONTRIBUTING
    • LICENSE
  • ROS Package Dependencies
    • builtin_interfaces
    • rclpy
    • rclcpp
    • rcutils
    • std_msgs
  • Documentation
    • Message Filters
      • Message Filters
      • Tutorials
        • Time Synchronizer (C++):
        • Time Synchronizer (Python):
        • Approximate Time Synchronizer (C++):
        • Approximate Time Synchronizer (Python):
        • Cache (Python):
        • Cache (C++):
        • Chain (C++):
        • Chain (Python):
        • SimpleFilter (Python):
        • SimpleFilter (C++):
        • Approximate Epsilon Time Synchronizer (C++):
        • LatestTime Synchronizer (C++):
        • DeltaFilter (Python):
        • DeltaFilter (C++):
      • References
    • Indices and tables
  • Index
message_filters
  • C++ API
  • Namespace message_filters::message_traits
  • View page source

Namespace message_filters::message_traits

Contents

  • Classes

Classes

  • Template Struct FrameId

  • Template Struct FrameId< M, typename std::enable_if< HasHeader< M >::value >::type >

  • Template Struct HasHeader

  • Template Struct HasHeader< M, typename std::enable_if< std::is_same< std_msgs::msg::Header, decltype(M().header) >::value >::type >

  • Template Struct TimeStamp

  • Template Struct TimeStamp< M, typename std::enable_if< HasHeader< M >::value >::type >

  • Template Struct TimeStamp< message_filters::NullType >

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