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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Vector (container) initialization: the schizophrenic ampersand
Date: Sat, 19 May 2012 12:15:44 -0400
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Date: 2012-05-19T12:15:44-04:00
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Marius Amado-Alves <amado.alves@gmail.com> writes:

>> > V : My_Vectors.Vector := Element1 + Element2 + Element3;
>> >
>> > A bit less inelegant.
>> >
>> > /* But more than parenthesis or T'(...) in my view. */
>> 
>> You mean more inelegant, or more elegant?
>
> Oops, sorry, I mean more elegant, i.e. I find
>
>    Element1 + Element2 + Element3
>
> more elegant than
>
>    (T'(Element1) & T'(Element2)) & T'(Element3)
>
> or variations thereof. (Textual elegancy. I agree the latter form has
> more semantic rigour = abstract elegancy.)

You don't need to qualify everything.  Just enough to disambiguate.
I don't know what operators are visible in this example,
nor what the context is, but this should work:

    T'(Element1 & Element2 & Element3)

- Bob