/// <summary> returns the lexer that's gonna parse a decimal number (valid patterns are: 1, 2.3, 000, 0., .23),
/// and convert the string to a TokenDecimal.
/// </summary>
/// <returns> the lexer.
/// </returns>
public static Lexer LexDecimal()
{
string name = "decimal literal";
return(Lex(Scanners.Delimited(
Scanners.IsPattern(name, Patterns.IsDecimal(), "decimal number")),
Tokenizers.ForDecimal).Rename(name));
}
