1895     internal_set_type& internal_set() const noexcept {  in internal_set()  function in libsemigroups::Konieczny::DClass
2475       this->internal_set().clear();  in compute_H_gens()
2492             if (this->internal_set().find(tmp2) == this->internal_set().end()) {  in compute_H_gens()
2494               this->internal_set().insert(x);  in compute_H_gens()
2572       this->internal_set().clear();  in compute_H_class()
2575         this->internal_set().insert(*it);  in compute_H_class()
2587           if (this->internal_set().find(tmp) == this->internal_set().end()) {  in compute_H_class()
2589             this->internal_set().insert(x);  in compute_H_class()
2970       this->internal_set().clear();  in compute_H_class()
2972         if (!this->internal_set().insert(*it).second) {  in compute_H_class()
2977       Hex.assign(this->internal_set().begin(), this->internal_set().end());  in compute_H_class()
2979       this->internal_set().clear();  in compute_H_class()
2981         if (!this->internal_set().insert(*it).second) {  in compute_H_class()
2986       xHf.assign(this->internal_set().begin(), this->internal_set().end());  in compute_H_class()