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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: David Brown Newsgroups: comp.lang.c Subject: =?UTF-8?Q?Re=3A_technology_discussion_=E2=86=92_does_the_world_need?= =?UTF-8?B?IGEgIm5ldyIgQyA/?= Date: Thu, 11 Jul 2024 12:20:39 +0200 Organization: A noiseless patient Spider Lines: 38 Message-ID: References: <87h6d2uox5.fsf@nosuchdomain.example.com> <20240707164747.258@kylheku.com> <877cdur1z9.fsf@bsb.me.uk> <871q42qy33.fsf@bsb.me.uk> <87ed82p28y.fsf@bsb.me.uk> <87r0c1nzjj.fsf@bsb.me.uk> <86ikxd8czu.fsf@linuxsc.com> <20240710201454.0000527e@yahoo.com> <20240711111357.00007712@yahoo.com> <20240711012852.856@kylheku.com> <20240711121502.0000614e@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 11 Jul 2024 12:20:40 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ae48152f062f08333130ccb39a825b01"; logging-data="2543130"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/dfYTBoRRVx4PZ1FQ/8yeolfGwDAu7F3Q=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:66coLXZiBT9MgKsSPO/v2rYh304= Content-Language: en-GB In-Reply-To: <20240711121502.0000614e@yahoo.com> Bytes: 3250 On 11/07/2024 11:15, Michael S wrote: > On Thu, 11 Jul 2024 08:41:14 -0000 (UTC) > Kaz Kylheku <643-408-1753@kylheku.com> wrote: > >> On 2024-07-11, Michael S wrote: >>> On Wed, 10 Jul 2024 21:28:15 +0200 >>> David Brown wrote: >>> >>>> On 10/07/2024 19:14, Michael S wrote: >>>>> >>>>> I'd like to see an example of the language that permits >>>>> ahead-of-time compilation and has functions as first-class >>>>> values. >>>> >>>> Haskell is the first the comes to mind for me, but you could pick >>>> any compiled functional programming language. >>>> >>> >>> I fail to see a material difference between first class function >>> values in Haskell and C++ and first class function pointer values >>> in C: >>> > Thank you. > Your example confirms my suspicion that the difference between first > and second class of functions doesn't become material until language > supports closures. > I think that is fair to say, yes. The real power comes when there are captures - not "doTwice", but "doNTimes". Again, this can be done in compiled Haskell, and surely in any compiled functional programming language or compiled language that supports functional programming paradigms. (OCaml is another popular choice.)