use boost::placeholders::_1 instead of deprecated _1#105

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lucasw wants to merge 2 commits intotu-darmstadt-ros-pkg:noetic-develfrom lucasw:boost_placeholders

+3-4

Commits on May 23, 2022

use boost::placeholders::_1 instead of deprecated _1, and use default C++ (which will be 14 in noetic, 17 on newer systems which will resolve log4cxx 0.12 'error: ‘shared_mutex’ in namespace ‘std’ …
lucasw
committed

Commits on Dec 24, 2022

class_loader.h is now class_loader.hpp, class_list_macros.h has an hpp also
lucasw
committed