fastParse method
Parses the input and returns true
if successful, false
otherwise.
Implementation
@override
bool fastParse(State<StringReader> state) {
final input = state.input;
if (state.pos < input.length) {
final c = input.readChar(state.pos);
if (f(c)) {
state.pos += input.count;
return true;
}
}
state.fail<Object?>(ErrorUnexpectedCharacter());
return false;
}