code: func yaml_parser_increase_flow_level(parser *yaml_parser_t) bool {
  	// Reset the simple key on the next level.
  	parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{})
  
  	// Increase the flow level.
  	parser.flow_level++
  	return true
  }
docs: // Increase the flow level and resize the simple key list if needed.