Method UnsafeAppend

cpp/src/arrow/array/builder_primitive.h:317–320

Append a single scalar under the assumption that the underlying Buffer is large enough. This method does not capacity-check; make sure to call Reserve beforehand.

  /// This method does not capacity-check; make sure to call Reserve
  /// beforehand.
  void UnsafeAppend(const value_type val) {
    ArrayBuilder::UnsafeAppendToBitmap(true);
    data_builder_.UnsafeAppend(val);
  }

  void UnsafeAppendNull() {
    ArrayBuilder::UnsafeAppendToBitmap(false);