From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: "Alejandro R. Mosteo" Newsgroups: comp.lang.ada Subject: Re: "functional" programming in Ada Date: Tue, 6 Mar 2018 15:35:52 +0100 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Tue, 6 Mar 2018 14:35:52 -0000 (UTC) Injection-Info: reader02.eternal-september.org; posting-host="e9fdd27e595df73021fee87838b0b638"; logging-data="28117"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19in9YuXcqYcm6LPhRKR4Ci" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 In-Reply-To: Content-Language: en-US Cancel-Lock: sha1:n4CpWlJtngkp/ipoEzafy82EDr8= Xref: reader02.eternal-september.org comp.lang.ada:50842 Date: 2018-03-06T15:35:52+01:00 List-Id: On 06/03/18 14:09, Dmitry A. Kazakov wrote: > On 06/03/2018 12:34, Alejandro R. Mosteo wrote: >> In a recent project I've started using in full if/case expressions and >> expression functions... and I'm a bit scared at the amount of use I >> have for them. I'm using these constantly. > > That is how wrong ideas become most popular ones. Do you find something inherently wrong, or is this particular implementation you object to? >> Pros: purely recursive functions are really fun to write. If/case >> expressions, used sparingly, do help a lot in having constant >> declarations in local scopes. I'm writing more code in declarative parts. >> >> Cons: the temptation of writing function bodies in the spec is too >> big. At least I try to keep them in the private part, but I've found >> myself trying to force an expression function just to avoid a package >> body. >> >> Care to share your experiences? > > Better not to have any. :-)