func yaml_parser_set_input_reader(parser *yaml_parser_t, r io.Reader) {
	if parser.read_handler != nil {
		panic("must set the input source only once")
	}
	parser.read_handler = yaml_reader_read_handler
	parser.input_reader = r
}
func yaml_parser_set_input_reader(parser *yaml_parser_t, r io.Reader) {
	if parser.read_handler != nil {
		panic("must set the input source only once")
	}
	parser.read_handler = yaml_reader_read_handler
	parser.input_reader = r
}
func yaml_parser_set_input_reader ( parser * yaml_parser_t , r io . Reader ) { if parser . read_handler != nil { panic ( " " ) } parser . read_handler = yaml_reader_read_handler parser . input_reader = r }
// Set a file input.
Set a file input .