Method size

cpp/src/arrow/util/hashing.h:625–625

The number of entries in the memo table (which is also 1 + the largest memo index)

  // The number of entries in the memo table
  // (which is also 1 + the largest memo index)
  int32_t size() const override { return static_cast<int32_t>(index_to_value_.size()); }

  // Merge entries from `other_table` into `this`.
  Status MergeTable(const SmallScalarMemoTable& other_table) {