public static bool skip_whitespace(this string str, out LineTokenizer tokenizer, out char ch)
{
tokenizer = str.tokenize();
return(tokenizer.skip_whitespace(out ch));
}
public static bool find_any(this string str, out LineTokenizer tokenizer, out char ch, params char[] chars)
{
tokenizer = str.tokenize();
return(tokenizer.find_any(out ch, chars));
}
