graphs/cpp/cartesian_vector/state_saver.cc


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#include "state_saver.hh"
StateSaver::StateSaver(std::ostream& os)
    : saved_stream_{ os }
    , saved_flags_{ os.flags() }
    , saved_precision_{ os.precision() }
{}
StateSaver::~StateSaver()
{
    saved_stream_.flags(saved_flags_);
    saved_stream_.precision(saved_precision_);
}