digit function

  1. @useResult
Parser<String> digit({
  1. String message = 'digit expected',
})

Returns a parser that accepts any digit character. The accepted input is equivalent to the character-set 0-9.

For example, the parser digit() accepts the character '1'.

Implementation

@useResult
Parser<String> digit({String message = 'digit expected'}) =>
    CharacterParser(const DigitCharPredicate(), message);