On Sat, Dec 3, 2022 at 2:04 PM Stefan Monnier <monnier@iro.umontreal.ca>
wrote:

> method.  So I was thinking that maybe the `tryc-function` arg should
> be optional.

Been there done that.

> I agree that "backend" is not great since it's largely a matter of
> perspective.  I can't remember which other names have been considered
> but how 'bout `external`?

Ditto!