private Result consume(Parser parser, Context context) {
Result result = parser.parseOn(context);
while (result.isSuccess()) {
result = parser.parseOn(result);
}
return result;
}
@Override
public Result parseOn(Context context) {
Result leftResult = consume(left, context);
Result delegateResult = delegate.parseOn(leftResult);
if (delegateResult.isFailure()) {
return delegateResult;
}
Result rightResult = consume(right, delegateResult);
return rightResult.success(delegateResult.get());
}