emptyLiteral function

Parser emptyLiteral()

Implementation

Parser emptyLiteral() {
  final wordBoundary = pattern('a-zA-Z0-9_-').not();
  return (string('empty') & wordBoundary.and())
      .map((value) {
        return Literal('empty', LiteralType.empty);
      })
      .labeled('emptyLiteral');
}