39 struct Equals {  struct
40   Equals(const Graph& graph, EqualityCache& equality_cache)  in Equals()  function
43   bool operator()(Id id1, Id id2) {  in operator()
83   bool operator()(const std::optional<Id>& opt1,  in operator()
91   bool operator()(const std::vector<Id>& ids1, const std::vector<Id>& ids2) {  in operator()
100   bool operator()(const std::map<Key, Id>& ids1,  in operator()
116   bool operator()(const Special& x1, const Special& x2) {  in operator()
120   bool operator()(const PointerReference& x1,  in operator()
126   bool operator()(const PointerToMember& x1, const PointerToMember& x2) {  in operator()
131   bool operator()(const Typedef& x1, const Typedef& x2) {  in operator()
136   bool operator()(const Qualified& x1, const Qualified& x2) {  in operator()
141   bool operator()(const Primitive& x1, const Primitive& x2) {  in operator()
147   bool operator()(const Array& x1, const Array& x2) {  in operator()
152   bool operator()(const BaseClass& x1, const BaseClass& x2) {  in operator()
158   bool operator()(const Method& x1, const Method& x2) {  in operator()
165   bool operator()(const Member& x1, const Member& x2) {  in operator()
172   bool operator()(const VariantMember& x1, const VariantMember& x2) {  in operator()
178   bool operator()(const StructUnion& x1, const StructUnion& x2) {  in operator()
193   bool operator()(const Enumeration& x1, const Enumeration& x2) {  in operator()
206   bool operator()(const Variant& x1, const Variant& x2) {  in operator()
213   bool operator()(const Function& x1, const Function& x2) {  in operator()
218   bool operator()(const ElfSymbol& x1, const ElfSymbol& x2) {  in operator()
235   bool operator()(const Interface& x1, const Interface& x2) {  in operator()
240   bool Mismatch() {  in Mismatch()
244   const Graph& graph;
245   EqualityCache& equality_cache;
246   SCC<Pair> scc;