bool isHexDigit()

in lib/src/constants.dart [458:486]

• 29 lines of code
• 24 McCabe index (conditional complexity)

bool isHexDigit(String? char) {
  if (char == null) return false;
  switch (char.codeUnitAt(0)) {
    case 48:
    case 49:
    case 50:
    case 51:
    case 52: // '0' - '4'
    case 53:
    case 54:
    case 55:
    case 56:
    case 57: // '5' - '9'
    case 65:
    case 66:
    case 67:
    case 68:
    case 69:
    case 70: // 'A' - 'F'
    case 97:
    case 98:
    case 99:
    case 100:
    case 101:
    case 102: // 'a' - 'f'
      return true;
  }
  return false;
}