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Add registerCallback() overload to grabbers to support assignment of boost::functions with templated signatures #3128

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Jun 6, 2019
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Add registerCallback() overload to grabbers to support assignment of boost::functions with templated signatures #3128

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14 changes: 13 additions & 1 deletion io/include/pcl/io/grabber.h
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Original file line number Diff line number Diff line change
Expand Up @@ -68,9 +68,21 @@ namespace pcl
* \param[in] callback: the callback function/method
* \return Connection object, that can be used to disconnect the callback method from the signal again.
*/
template<typename T> boost::signals2::connection
template<typename T> boost::signals2::connection
registerCallback (const std::function<T>& callback);

/** \brief registers a callback function/method to a signal with the corresponding signature
* \param[in] callback: the callback function/method
* \return Connection object, that can be used to disconnect the callback method from the signal again.
*/
template<typename T, template<typename> class FunctionT>
[[deprecated ("please assign the callback to a std::function.")]]
boost::signals2::connection
registerCallback (const FunctionT<T>& callback)
{
return registerCallback (std::function<T> (callback));
}

/** \brief indicates whether a signal with given parameter-type exists or not
* \return true if signal exists, false otherwise
*/
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