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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!raubtier-asyl.eternal-september.org!.POSTED!not-for-mail From: Bonita Montero <Bonita.Montero@gmail.com> Newsgroups: comp.lang.c Subject: Re: Top 10 most common hard skills listed on resumes... Date: Wed, 28 Aug 2024 16:55:44 +0200 Organization: A noiseless patient Spider Lines: 22 Message-ID: <vandpe$3gtv6$1@raubtier-asyl.eternal-september.org> References: <vab101$3er$1@reader1.panix.com> <vad7ns$1g27b$1@raubtier-asyl.eternal-september.org> <vad8lr$1fv5u$1@dont-email.me> <vaf7f0$k51$2@reader1.panix.com> <vafgb2$1to4v$2@dont-email.me> <vafkdk$1ut4h$2@raubtier-asyl.eternal-september.org> <20240825192810.0000672c@yahoo.com> <vafs6u$21ofd$1@raubtier-asyl.eternal-september.org> <20240825220016.00002793@yahoo.com> <86bk1e4y7t.fsf@linuxsc.com> <vajn50$2rqra$2@raubtier-asyl.eternal-september.org> <vajnha$2rtl3$1@dont-email.me> <vajns4$2rvg8$1@raubtier-asyl.eternal-september.org> <vajspc$2so1b$1@dont-email.me> <vajtdo$2ssc8$1@raubtier-asyl.eternal-september.org> <valodj$35rt8$7@dont-email.me> <vamarr$3btll$1@raubtier-asyl.eternal-september.org> <van0h7$3eqvr$1@dont-email.me> <van1sb$3f45o$1@raubtier-asyl.eternal-september.org> <van2ok$3f3q8$1@dont-email.me> <van6td$3frfe$1@raubtier-asyl.eternal-september.org> <van934$3g2ip$1@dont-email.me> <van9kt$3g7l8$1@raubtier-asyl.eternal-september.org> <vana36$3g9qu$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 28 Aug 2024 16:55:42 +0200 (CEST) Injection-Info: raubtier-asyl.eternal-september.org; posting-host="533d64590f09fbd7a1b41b803c3065f2"; logging-data="3700710"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/Vuf+VIgxTKbJLVQU70KZa7mK63Qcr0E4=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:rHvBJbFuzXFUgWmJvny8xZ00nVw= Content-Language: de-DE In-Reply-To: <vana36$3g9qu$1@dont-email.me> Bytes: 2695 Am 28.08.2024 um 15:52 schrieb Thiago Adams: > You have to deallocate only if the ownership still with the > same object. This is not the case when the object is moved. Take this code string str; int main () { string str( "hello" ); ::str = move( str ); } With clang-cl (the MSVC-flavour of clang) the whole string-creation and destruction is opmized away and the compiler directly checks if ::str contains any externally allocated and if not it makes a short -string-optimized "copy" to ::str. That's nine instructions for the whole string copy with clang-cl 17.0.3; no external call.