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Date: Fri, 18 Jan 2019 09:31:22 -0800 (PST)
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Subject: Re: class wide iterable (and indexable)
From: Olivier Henley <olivier.henley@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:55310
Date: 2019-01-18T09:31:22-08:00
List-Id: <comp.lang.ada>

> The same applies to record types, access types, enumeration types, 
> numeric types, subroutine types, task types, protected types. Each one 
> must have an interface which can be used together with a custom 
> implementation or the builtin implementation.

Any language that does it well, example?