Here is a list of all namespaces with brief descriptions:

[detail level 123]

▼Nutl	STL's core language concepts
N_1wire_i_det
Ncommon_impl
Ndetail
Ndetails
Ni2c_i_details
Nidx_dev_details
Nidxdev_it_details
Nin_dev_details
Ninbuf_dev_details
Nindev_it_details
▼Nmeta
Napply_impl
Nat_impl
Nback_impl
Ncat_impl
Ncount_if_impl
Ndetail
Nfilter_impl
Nfind_if_impl
Nfold_impl
Nfront_impl
Npop_back_impl
Npop_front_impl
Nreplace_if_impl
Nrev_fold_impl
Nreverse_impl
Nseek_if_impl
Ntransform_impl
Ntransform_lazy_impl
Nout_dev_details
Noutdev_it_details
Nspi	Abstract base class for spi bus
Nspi_i_details