Found the following significant warnings:
  tree.cc:74:49: warning: loop variable 'elem' of type 'const pair<Value, pair<Weight, Weight>> &' (aka 'const pair<float, pair<float, float>> &') binds to a temporary constructed from type 'std::_Rb_tree_const_iterator<std::pair<const float, std::pair<float, float>>>::reference' (aka 'const std::pair<const float, std::pair<float, float>> &') [-Wrange-loop-construct]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/deepboost.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 15.0.6’
Found the following significant warnings:
  tree.cc:74:49: warning: loop variable ‘elem’ of type ‘const std::pair<float, std::pair<float, float> >&’ binds to a temporary constructed from type ‘const std::pair<const float, std::pair<float, float> >’ [-Wrange-loop-construct]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/deepboost.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-12 (Debian 12.2.0-14) 12.2.0’
Found the following significant warnings:
  tree.cc:74:49: warning: loop variable 'elem' of type 'const pair<Value, pair<Weight, Weight>> &' (aka 'const pair<float, pair<float, float>> &') binds to a temporary constructed from type 'std::__map_const_iterator<std::__tree_const_iterator<std::__value_type<float, std::pair<float, float>>, std::__tree_node<std::__value_type<float, std::pair<float, float>>, void *> *, long>>::reference' (aka 'const pair<const float, std::pair<float, float>> &') [-Wrange-loop-construct]
See ‘/data/gannet/ripley/R/packages/tests-clang/deepboost.Rcheck/00install.out’ for details.
* used C++ compiler: ‘clang version 15.0.6’
Found the following significant warnings:
  tree.cc:74:49: warning: loop variable ‘elem’ of type ‘const std::pair<float, std::pair<float, float> >&’ binds to a temporary constructed from type ‘const std::pair<const float, std::pair<float, float> >’ [-Wrange-loop-construct]
See ‘/data/gannet/ripley/R/packages/tests-devel/deepboost.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++ (GCC) 12.2.1 20221121 (Red Hat 12.2.1-4)’
Found the following significant warnings:
  tree.cc:74:49: warning: loop variable 'elem' of type 'const std::pair<float, std::pair<float, float> >&' binds to a temporary constructed from type 'const std::pair<const float, std::pair<float, float> >' [-Wrange-loop-construct]
See 'd:/Rcompile/CRANpkg/local/4.3/deepboost.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 12.2.0'