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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Ada Successor Language
Date: Tue, 19 Jun 2018 09:58:47 +0200
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Xref: reader02.eternal-september.org comp.lang.ada:53157
Date: 2018-06-19T09:58:47+02:00
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On 2018-06-19 00:36, Paul Rubin wrote:
> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
>> P.S. Stepanov arguing for generics (templates) claimed that the reason
>> why C++ needed this mess was impossibility to write Max using dynamic
>> polymorphism... I believe it is possible to have a language where
>> generic Max and Swap could be written without generics.
> 
> I've been wanting to look up how Ada generics work.  C++ generics are
> implemented with templates which leads to a horrible mess, but generics
> themselves don't have to be a mess, as far as I know.

There are 50 shades of mess. Ada's generics try to introduce some 
weakly-typed contracts on the formal generic parameters, where C++ 
templates go completely untyped, but mess is always mess. You cannot 
make a decent language out of macro processor.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de