Re: overloading operators

[Simon Wright <simon@pushface.org>]

hnptz@yahoo.de writes:

> On Wednesday, November 21, 2018 at 2:50:05 PM UTC+1, AdaMagica wrote:
>> Am Mittwoch, 21. November 2018 10:56:09 UTC+1 schrieb hn...@yahoo.de:
>> > How can I use the old and the overloaded operator at the same time
>> > in the same program for the same type?
>> > For example: Overloaded "*" defined by user for type Real_Matrix
>> > and "*" defined in package Numerics.Real_Arrays for Real_Matrix.
>> 
>> For the nomenclature:
>> If I understand correctly what you're saying, it's not overloading,
>> but overriding what you're doing.
>> If you defined a function "*" for type Real_Matrix in a package of
>> your own, say Pack, the corresponding operation in the package where
>> Real_Matrix is defined, here Ada.Numerics, is hidden from direct and
>> use visibility in Pack. You can make it visible again via an
>> extended name.
>> So which "*" is visible at certain place depends on the kind of
>> visibility of Pack and Ada.Numerics. With proper name qualification,
>> both are callable at the same place in code.
>
> what would be a proper name qualification? Extended name for pack
> defined "*" in Ada.Numerics like pack."*"?

You can always say e.g. Ada.Numerics.Real_Arrays."*" (A, B) but it is
rather clumsy compared to A * B!