Method Erase

tensorflow/core/lib/gtl/flatrep.h:203–208

  }

  void Erase(Bucket* b, uint32 i) {
    b->Destroy(i);
    b->marker[i] = kDeleted;
    deleted_++;
    grow_ = 0;  // Consider shrinking on next insert
  }

  void Prefetch(const Key& k) const {
    size_t h = hash_(k);