public void SequenceParser()
{
var stream = new MemoryStream <char>("abc".AsMemory());
var p1 = Combinator.Seq(Combinator.Char('a'), Combinator.Char('b'), Combinator.Char('d'));
var p2 = Combinator.Seq(Combinator.Char('a'), Combinator.Char('b'), Combinator.Char('c'));
var r1 = p1.Parse(stream);
var r2 = p2.Parse(stream);
Assert.False(r1.IsOk);
Assert.True(r2.IsOk);
Assert.Equal(('a', 'b', 'c'), r2.Ok.Value);
}
