Method VisitSequence

python/pyarrow/src/arrow/python/inference.cc:497–513

Infer value type from a sequence of values

  // Infer value type from a sequence of values
  Status VisitSequence(PyObject* obj, PyObject* mask = nullptr) {
    if (mask == nullptr || mask == Py_None) {
      return internal::VisitSequence(
          obj, /*offset=*/0,
          [this](PyObject* value, bool* keep_going) { return Visit(value, keep_going); });
    } else {
      return internal::VisitSequenceMasked(
          obj, mask, /*offset=*/0,
          [this](PyObject* value, uint8_t masked, bool* keep_going) {
            if (!masked) {
              return Visit(value, keep_going);
            } else {
              return Status::OK();
            }
          });
    }
  }

  // Infer value type from a sequence of values
  Status VisitIterable(PyObject* obj) {