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Groups > comp.lang.c++ > #86385
| From | Muttley@dastardlyhq.com |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: What is the good of new way of coding? |
| Date | 2022-09-17 14:50 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <tg4mrn$75v$1@gioia.aioe.org> (permalink) |
| References | <5e8b4f88-2ecf-4313-be63-4f3ff225967dn@googlegroups.com> <tg4gi8$5qr0$1@dont-email.me> |
On Sat, 17 Sep 2022 15:03:25 +0200
Bonita Montero <Bonita.Montero@gmail.com> wrote:
>Am 17.09.2022 um 14:46 schrieb wij:
>> I did not update my C++ understanding (probable since C++11) to find out I
>> cannot understand what the codes are about !!!
>>
>> --- frorm https://groups.google.com/g/comp.lang.c++/c/2ebc6ifoPr4
>> #include <iostream>
>> #include <utility>
>>
>> using namespace std;
>>
>> int main()
>> {
>> auto pow = []<unsigned P>( double b, integral_constant<unsigned, P> )
>> -> double
>> {
>> auto unroll = [&]<size_t ... Indices>( index_sequence<Indices ...> )
>> -> double
>> {
>> return ((Indices, b) * ...);
>> };
>> if constexpr( P )
>> return unroll( make_index_sequence<P>() );
>> else
>> return b;
>> };
>> cout << pow( 2.0, integral_constant<unsigned, 10'000>() ) << endl;
>> }
>> ------
>>
>> Question1: What would the code look like if using C++2006 for the above
>'program'?
>
>It's not possible to write that before C++20.
Really? So it outputs some special assembler reserved for C++20 does it?
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What is the good of new way of coding? wij <wyniijj2@gmail.com> - 2022-09-17 05:46 -0700
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 15:03 +0200
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-17 14:50 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 17:31 +0200
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-17 15:59 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 18:03 +0200
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-17 16:13 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 18:34 +0200
Re: What is the good of new way of coding? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2022-09-17 19:55 +0200
Re: What is the good of new way of coding? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-09-17 12:03 -0700
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-18 16:21 +0200
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-19 08:30 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-19 10:37 +0200
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-19 08:54 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-19 11:13 +0200
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 15:23 +0200
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 15:38 +0200
Re: What is the good of new way of coding? Andreas Kempe <kempe@lysator.liu.se> - 2022-09-17 14:37 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 16:40 +0200
Re: What is the good of new way of coding? Andreas Kempe <kempe@lysator.liu.se> - 2022-09-17 20:52 +0000
Re: What is the good of new way of coding? Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-09-17 22:18 +0100
Re: What is the good of new way of coding? Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-09-17 22:21 +0100
Re: What is the good of new way of coding? Andreas Kempe <kempe@lysator.liu.se> - 2022-09-17 21:31 +0000
Re: What is the good of new way of coding? Muttley@dastardlyhq.com - 2022-09-17 14:52 +0000
Re: What is the good of new way of coding? Bonita Montero <Bonita.Montero@gmail.com> - 2022-09-17 17:32 +0200
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