is_set numbers strings unit_system

strings std::map<std::string, std::string> pism::VariableAttributes::strings string and boolean attributes Definition at line 122 of file VariableMetadata.hh. Referenced by pism::VariableMetadata::all_strings(), pism::VariableMetadata::clear(), pism::SynchronousOutputWriter::define_variable_impl(), pism::VariableMetadata::get_string(), is_set(), pism::VariableMetadata::set_string(), pism::VariableMetadata::set_units_without_validation(), and pism::details::to_json().