parse method
Implementation
@override
Tuple1? parse(ParseInput<String> input, ParseState state) {
if (input.pos >= input.source.length) {
return const Tuple1(null);
}
}
@override
Tuple1? parse(ParseInput<String> input, ParseState state) {
if (input.pos >= input.source.length) {
return const Tuple1(null);
}
}