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Newsgroups: comp.lang.ada
Date: Wed, 25 Sep 2019 10:21:46 -0700 (PDT)
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Subject: Re: Implementing Rust's borrow checked pointers
From: Stephen Leake <stephen_leake@stephe-leake.org>
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Xref: reader01.eternal-september.org comp.lang.ada:57195
Date: 2019-09-25T10:21:46-07:00
List-Id: <comp.lang.ada>

On Tuesday, September 24, 2019 at 5:23:54 AM UTC-7, Lucretia wrote:
> Seems there is an AI for this already.

http://www.ada-auth.org/ai-files/grab_bag/AI12-0240-1v7-stt.TXT

This technique is also now in SPARK, which allows SPARK programs to use access types (in a limited way). See the SPARK reference manual https://docs.adacore.com/spark2014-docs/html/lrm/declarations-and-types.html#access-types