void deserialize(Deserializer& source, cache<Key, Value, Policy>& c) {
uint64_t size, capacity;
source >> capacity >> size;
c.capacity(capacity);
Key k;
Value v;
for (uint64_t i = 0; i < size; ++i) {
source >> k >> v;
c.insert(std::move(k), std::move(v));
}
}
void serialize(Serializer& sink, cache<Key, Value, Policy> const& c) {
sink << static_cast<uint64_t>(c.capacity());
sink << static_cast<uint64_t>(c.size());
for (auto entry : c)
sink << entry.first << entry.second;
}
