Method RehashImpl

library/cpp/containers/flat_hash/lib/table.h:284–295

    }

    void RehashImpl() {
        if constexpr (NConcepts::RemovalContainerV<Container>) {
            size_type occupied = bucket_count() - Buckets_.Empty();
            if (size() < occupied / 2) {
                rehash(bucket_count()); // Just clearing all deleted elements
            } else {
                RehashImpl(SizeFitter_.EvalSize(Expander::EvalNewSize(bucket_count())));
            }
        } else {
            RehashImpl(SizeFitter_.EvalSize(Expander::EvalNewSize(bucket_count())));
        }
    }

    void RehashImpl(size_type newSize) {
        TTable tmp = Buckets_.Clone(newSize);