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From: Paul Rubin <no.email@nospam.invalid>
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Subject: Re: Intervention needed?
Date: Tue, 19 Mar 2019 15:26:50 -0700
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Date: 2019-03-19T15:26:50-07:00
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"Randy Brukardt" <randy@rrsoftware.com> writes:
> Rust...  You can't build a cursor that way (nor a doubly-linked
> list). Perhaps the Rust people have gone beyond simple borrow
> semantics -- I don't know.

I did a little web searching and it does seem to me that as of a year or
so ago, the way to make doubly linked lists in Rust was to call some
kind of unchecked library.  I'd like to know how it's done in ATS, and
I might ask on a Rust chat if it's still like that in Rust.

I think it might be a serious issue for Rust, since one of Rust's
driving applications was web browsers.  Those build DOM trees where
nodes point to both their children and their parent, so the tree is full
of cycles.