Function size

cpp/src/arrow/filesystem/filesystem.h:85–85

The size in bytes, if available Only regular files are guaranteed to have a size.

  ///
  /// Only regular files are guaranteed to have a size.
  int64_t size() const { return size_; }
  void set_size(int64_t size) { size_ = size; }

  /// The file extension (excluding the dot)