42   static bool Empty(Impl* impl) { return impl->empty(); }  in Empty()  argument
43   static size_t Size(Impl* impl) { return impl->size(); }  in Size()  argument
45   static Iterator Begin(Impl* impl) { return impl->begin(); }  in Begin()  argument
46   static Iterator End(Impl* impl) { return impl->end(); }  in End()  argument
49   static PersistentContainerValue Set(Impl* impl, K key,  in Set()  argument
51     std::pair<Iterator, bool> res = impl->insert(std::make_pair(key, value));  in Set()
59   static PersistentContainerValue Get(Impl* impl, K key) {  in Get()  argument
60     Iterator it = impl->find(key);  in Get()
61     if (it == impl->end()) return kPersistentContainerNotFound;  in Get()
64   static PersistentContainerValue Remove(Impl* impl, K key) {  in Remove()  argument
65     Iterator it = impl->find(key);  in Remove()
66     if (it == impl->end()) return kPersistentContainerNotFound;  in Remove()
68     impl->erase(it);  in Remove()
203       typename Traits::Impl impl;  in Clear()  local
204       Traits::Swap(impl_, impl);  in Clear()
205       for (It i = Traits::Begin(&impl); i != Traits::End(&impl); ++i) {  in Clear()
373   static void Append(Impl* impl, PersistentContainerValue value) {  in Append()  argument
374     impl->push_back(value);  in Append()
376   static bool IsEmpty(const Impl* impl) {  in IsEmpty()  argument
377     return impl->empty();  in IsEmpty()
379   static size_t Size(const Impl* impl) {  in Size()  argument
380     return impl->size();  in Size()
382   static PersistentContainerValue Get(const Impl* impl, size_t i) {  in Get()  argument
383     return (i < impl->size()) ? impl->at(i) : kPersistentContainerNotFound;  in Get()
385   static void ReserveCapacity(Impl* impl, size_t capacity) {  in ReserveCapacity()  argument
386     impl->reserve(capacity);  in ReserveCapacity()
388   static void Clear(Impl* impl) {  in Clear()  argument
389     impl->clear();  in Clear()