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From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Newsgroups: comp.lang.ada
Subject: Re: Parameterised 'Image Attributes
Date: Mon, 28 Aug 2023 20:58:13 +0300
Organization: Tidorum Ltd
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On 2023-08-28 13:58, Dmitry A. Kazakov wrote:
> On 2023-08-28 11:18, Stephen Davies wrote:
> 
>> I did read Randy's response, he explained the difficulty in adding
>> parameters to 'Image,
> 
> He rather explained that this will never happen... (:-))
> 
> There is no good reason why attributes should not have the same 
> parameter syntax as subprograms and entry calls.


Yes in principle, but it is understandble that making this happen now 
could impact both the language definition and various implementations in 
non-trivial ways.


> Neither there is one 
> why 'Image must be a non-overridable attribute


In Ada 2022, 'Image is defined to call the new attribute 'Put_Image, 
which can be specified (ie. overridden) by the programmer for any type.

See http://www.ada-auth.org/standards/22rm/html/RM-4-10.html.