tomlHexDigit function

Parser<String> tomlHexDigit([
  1. String message = 'hexadecimal digit expected'
])

Parser for hexadecimal digits.

HEXDIG = DIGIT / "A" / "B" / "C" / "D" / "E" / "F"

Implementation

Parser<String> tomlHexDigit([String message = 'hexadecimal digit expected']) =>
    pattern('0-9a-fA-F', message);