Function GetMutableValue

cpp/src/arrow/array/builder_binary.h:861–864

Temporary mutable access to a value. This pointer becomes invalid on the next modifying operation.

  ///
  /// This pointer becomes invalid on the next modifying operation.
  uint8_t* GetMutableValue(int64_t i) {
    uint8_t* data_ptr = byte_builder_.mutable_data();
    return data_ptr + i * byte_width_;
  }

  /// Temporary mutable access to a value.
  ///