tokenize method
Implementation
Iterable<Token> tokenize(String? chunk) sync* {
if (chunk != null) {
String _sequence = '';
for (int i = 0; i < chunk.length; i++) {
final char = chunk[i];
if (delimiters.contains(char)) {
if (_sequence.isNotEmpty) yield Token(_sequence);
if (yieldTokens) yield Token(char);
_sequence = '';
} else {
_sequence += char;
}
}
if (_sequence.isNotEmpty) yield Token(_sequence);
}
}