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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: for S'Image use Func??
Date: Sat, 8 May 2010 19:20:40 -0500
Organization: Jacob Sparre Andersen
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References: 
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Date: 2010-05-08T19:20:40-05:00
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"Simon Wright" <simon@pushface.org> wrote in message 
news:m2k4rfjruq.fsf@pushface.org...
> Robert A Duff <bobduff@shell01.TheWorld.com> writes:
>
>> Now why isn't this:
>>
>>     Put_Line ((Finish_Time - Start_Time)'Img);
>>
>> legal?
>
> Can the compiler be expected to work out what that function "-" is?

Well, the prefix of an attribute is almost always an "any type" context. (It 
surely is for this attribute). So the answer depends on whether Start_Time 
and Finish_Time and "-" are overloaded. If these are two objects, probably 
there is only one matching "-". If they are overloaded functions, all bets 
are off. So this probably would work *some* of the time. Hard to say if it 
is worth it to make it work.

                                             Randy.