public IParseResult <T> TryParse(IInputReader inp)
{
if (inp.Eof())
{
return(Parse.Success <T>());
}
var ch = inp.Substr(20);
return(Parse.Error <T>($"Expected EOS, but got '{ch}'", inp));
}
public IParseResult <TResult> TryParse(IInputReader inp)
{
TAccum acc = _seed();
do
{
var pos = inp.GetPosition();
var parsed = _parser.TryParse(inp);
if (!parsed.IsSuccess())
{
inp.Seek(pos);
break;
}
acc = _accFunc(acc, parsed.Result);
} while (!inp.Eof());
return(Parse.Success(_resultSelector(acc)));
}