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From: Jacob Sparre Andersen <jacob@jacob-sparre.dk>
Newsgroups: comp.lang.ada
Subject: Re: Strange crash on custom iterator
Date: Sun, 01 Jul 2018 20:06:42 +0200
Organization: JSA Research & Innovation
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Date: 2018-07-01T20:06:42+02:00
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Luke A. Guest wrote:
> Simon Wright <simon@pushface.org> wrote:

>> I suspect that Unicode_String would need to be by-reference.
>
> Yeah I think I’m going to have to make it tagged.

You don't need to make it tagged, to pass it by reference.  It is enough
to make the formal parameter aliased.

Greetings,

Jacob
-- 
What the Iron Maiden was to stupid tyrants, the committee was to
Lord Vetinari; it was only slightly more expensive, far less messy,
considerably more efficient and, best of all, you had to *force*
people to climb inside the Iron Maiden.