Method length

cpp/src/arrow/compute/exec.h:295–295

  ExecValue& operator=(ExecValue&& other) = default;

  int64_t length() const { return this->is_array() ? this->array.length : 1; }

  bool is_array() const { return this->scalar == NULLPTR; }
  bool is_scalar() const { return !this->is_array(); }