On 2021-06-14 10:53 -0400, Wolfgang Corcoran-Mathe wrote:
> On 2021-06-14 10:23 +0200, Marc Nieper-Wißkirchen wrote:
> > To remedy the problem with fxmapping-unfold*, change the semantics of STOP.
> > It shall abandon the current continuation and pass the resulting fxmapping
> > to the continuation of the call to fxmapping-unfold*. Make INSERT&CONTINUE
> > implicit by returning to the continuation of the call to the callback.

I just noticed that this is also afflicted by the "tail-loop or die"
problem.  The only way to implement these semantics that I can see is
to unfold iteratively (sometimes called a "tabulate"), which is
usually unidiomatic.

--
Wolfgang Corcoran-Mathe  <xxxxxx@sigwinch.xyz>

"Nothing can transcend its smallest elements." --CEO Nwabudike Morgan