Function Arity

cpp/src/arrow/compute/function.h:65–66

NOTE: the 0-argument form (default constructor) is required for Cython

  // NOTE: the 0-argument form (default constructor) is required for Cython
  explicit Arity(int num_args = 0, bool is_varargs = false)
      : num_args(num_args), is_varargs(is_varargs) {}

  /// The number of required arguments (or the minimum number for varargs
  /// functions).