code: def _init_split(split_record, start_pos):
      split_record.impurity_left = ivy.inf
      split_record.impurity_right = ivy.inf
      split_record.pos = start_pos
      split_record.feature = 0
      split_record.threshold = 0.0
      split_record.improvement = -ivy.inf
      split_record.missing_go_to_left = False
      split_record.n_missing = 0
      return split_record
  
imports: import ivy
label_desc: Use image node_id 1 for calling a global function with example usage: _init_split(split_record, start_pos) and returns: split_record