Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:108967 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 66342 invoked from network); 11 Mar 2020 06:45:41 -0000 Received: from unknown (HELO php-smtp4.php.net) (45.112.84.5) by pb1.pair.com with SMTP; 11 Mar 2020 06:45:41 -0000 Received: from php-smtp4.php.net (localhost [127.0.0.1]) by php-smtp4.php.net (Postfix) with ESMTP id 8B9411804C6 for ; Tue, 10 Mar 2020 22:06:46 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on php-smtp4.php.net X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-ASN: AS15169 209.85.128.0/17 X-Spam-Virus: No X-Envelope-From: Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by php-smtp4.php.net (Postfix) with ESMTPS for ; Tue, 10 Mar 2020 22:06:46 -0700 (PDT) Received: by mail-pg1-f171.google.com with SMTP id b1so497229pgm.8 for ; Tue, 10 Mar 2020 22:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=2xDM1yCF5NzeHkYSPb3vvH1KpvRZruVtqoAbMhpJb4A=; b=O3ew3uTDF+/skd1O5XveV25FGZ6XDgXVVxfYR5bD2O9c/OxPQ/pm45AViERYxSEl0f nQqE1iOeVd6/5kjyjxQ1spb2G56NIWmzgu7349YDfGekI8jTOgY8YivsngLkycFMgBSP FQ0VfqDfNjp+CzZzWe6lwK4Djg4M+58O6S3NfGyyuB6aZ8BcxMZHfFIzgf9IRvhjCMIV hve9RO6lnVmvDJ/BNGtDMKrGC3DN9gsxgxWDPfadaO1VQBEYQHg2DrhrfASLi0mJT7Wf qymgucf8F55lmyIFSd49cmjwkJbdOsu1ylYlSXlDO1ggeeJCF5G2ek5dyw1EXeia9wj1 Z2iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=2xDM1yCF5NzeHkYSPb3vvH1KpvRZruVtqoAbMhpJb4A=; b=RzbgWXAV9aRlNlOOuLU/YHJDUD1nfogs7z9L7Cw7ICvoBLdx/Anr7hwT2DPoHe62ky m6yr2w2OYhGK1HeoWWGUBep3T7ozmWd4cQwjikaLXlJZCW80OiJk9/VfU9GnGtv6CDcE hbYYPzr8RHdseiy8sS5gxF0dlYEj9/Aa7bT4ZeWh16iQNqK81i1kTNLELWNg+00zUj1c D71iBauCtbiyfov1jPQX0iz8pzLK0m6p7SxB1lQl3OzQheR5xQTqYRGw4qTy4rzqWa8/ ingKvPCly8b+OZb0dvLTGADRx7rYM1TlwPlbbyPqydQaQgWVcE/kl4yEpuCrp5saNufV CLTA== X-Gm-Message-State: ANhLgQ0DaNmEh971KpIYkQPeiDLmvcrVu09ke8qcVMMRj+Mg79miDarH rNfqt6t8LeP4tXvDkWtSj8nVV1SZWg== X-Google-Smtp-Source: ADFU+vtWA82ZYjt1EA+uOIea2ysEnBTEbxDxSV7KeUX/K6CnEfaqcMIwQO0S0oiV5LNLHOQkuBikhg== X-Received: by 2002:a62:446:: with SMTP id 67mr1028732pfe.109.1583903204070; Tue, 10 Mar 2020 22:06:44 -0700 (PDT) Received: from Stas-Mac.local (ec2-34-209-88-149.us-west-2.compute.amazonaws.com. [34.209.88.149]) by smtp.gmail.com with ESMTPSA id m18sm46800927pgd.39.2020.03.10.22.06.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Mar 2020 22:06:43 -0700 (PDT) To: "Christoph M. Becker" , Nikita Popov , Sara Golemon Cc: PHP internals References: Autocrypt: addr=smalyshev@gmail.com; prefer-encrypt=mutual; keydata= xsJuBE9mqaARCACFSqcGmNunkjQQu3X+yXnTmFeEkvM4JXZTOBdR8aEevNGmmFEfyvjaDjWi 9hcwp4E/lYtC+P7VsVjM1OSX9eq0jC/lGL0ZyRXek+mNy0n5H1NSuTpf9Y18LMqhc4G+RU+L cNiZ9K0DJuOOvNLPxW7OHZguxb3wdKPXNVa2jyRfJAKm2uaJJMT1mTmFT9a0Q8SKr+mUrrJk uG0H2o6SzrKt8Wwoint1eh67zVsJaJtQFchnEZnlawIcqP2yC4nLGR3MkubowxoEBYCZet18 aHVVRbvpG2Qtob8Lu5xrsGbmXymTkHTdpvkfcJFADa8MzOL90zOxXwbGfbIZOlh5En8jAQCX lfnx2eQL3BSW/6XANa51dbWiEp1d1BAkpGKtZvlk0Qf+M9WAi+9aXMe3xP5krxtgnRNUf2WN 6Zdy2MxL1RRJCFbytLhl0ronC49BsGYVGshdEH8xhBbiIOJKuVZ/DTl9bEm7P9c7CC7iJyVC khUAhouH6xzZQNLR+RU+QebYzXypVfl99Qk7EdMmr/WAZCHLuvanyqepC5EBsa3VnAfQemSN oBeGBKWWLiOsPjvS72+y1z4RUMAfXHn4l/sFMt8zt7/74AmJPwZquV41p4mPO12V4+xPyc6R sB84sfsk2QVivU8w8AkvGQeYjXoz7Iwao95+fWteVzZ36KRQvUckP8pGjHlDXnHxJ0HI1I/k OBZSjwRwUf0dd73y6erPhbLk+gf+NdI3H9KGJBzG5/rVyWKwUeQ9d5ud4jTJRkQGvAP5pg76 vEa9dogbpe4W5Z+0BfbiJSnQmQWSHiZddj/t33ptbup44Ck6ZTgdlmFYMLF1hR47PIZTDKER EuKYGci/vq8snZvEJP9YCw/TtiHcMdrMKcY/+Lp8lQO0GHLPB9glVhnC0db6l1Xpg1CMI8/R ozBMcij30EgATggC/y2zbiqAFoS9FN9nXPbe4phStqABEyeZ+nXudt7PUYTjVgcrqo8bHZCi sBobWC7OnKyUzxVxzUeuPkIfmZuzkLaMw2McQdvwwsNvQ0DzaLP30c1Xsm/7EIYJcOWpzlVJ 5QrdmE0/Bc0yU3RhbmlzbGF2IE1hbHlzaGV2IChQSFAga2V5KSA8c21hbHlzaGV2QGdtYWls LmNvbT7CegQTEQgAIgUCT2aqtAIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQL3lW vF2gS12XMwD9HuRIolSwIK77u8EY461y2u6sbX36n5/uo/LDQuxoi3sA/0MvpnvzOhv9Iufv vsZEj3E7i3h+iD5648YMwfTFCij+zsFNBE9mqaAQCADfZPMpjZkkGZj3BY/7ApoLq4mwqzbh +CpLXwNn20tFNvSXfb8RdeXvVEb7Scx+W9qYpiaun2iXJgCVH8fgpZpR856ulT1q6uCG++CX ubEvip/eJkZl93/84h04KQJwsgOrAh0Om3OePRn8Pr+++0LNS0EL8uX/YHeTOGOnnmTqYTey SBVFdov6L4mepddfjekicKQqhL7mZh/xuq29JijT0uNNX8v4vDWQDu5dlAcdd+uB3gcXMD/P ginD11zp+6wtrWCm/+yBqpvDwXQX5PGUnwvbRfl7Ay3MmwmoXiecZMg0dwTSc7e0lhB4HGRH ZdBMJB4rHUVGdzqujK/ctOvrAAMFB/0Utb76Qe6sCMlHxVAmeE/fbo7Pi05btZ/x01r67dHf aMSP0riCKJ7M0OW+jAXtu9+z/BVnYisW67WWfxl2cS5tZDgiHgJARXWUOO72+sScHP8KQmTl 1z16gyKbwY3SmyBkwcpOL35nhUWNLy93syPoY6sZUTikr2bZYukHDQ33XBPs4e6MbWKfsa9q aVmnlOF3k5UqChjutfHaEa4Q7VP4wBIpphHBi9MI16oJIzzBPbGl2uoedjwiZ6QeQZnSuOVY ZxU2d3lRA8PrtfFN1VSlpEm/VcAvtieHUYWHN0wOu+cp3Slr5XJVNjTjJhl28SlinMME54mK AGf2Ldr/dRwXwmEEGBEIAAkFAk9mqaACGwwACgkQL3lWvF2gS126EQD/VVd3FgjLKglClRQP zdfU847tqDK4zJjbmRv5vLLwoE0A+wbrQs7jVGU3NrS0AIl5vUmewpp2BKzSkepy23nWmejw Message-ID: Date: Tue, 10 Mar 2020 22:06:42 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] Make sorting stable From: smalyshev@gmail.com (Stanislav Malyshev) Hi! > Given that we have internal classes which deliberately have such > comparison behavior (i.e. returning 0 or 1, to signal that there is no > order defined), e.g. Closures[1], I tend to prefer raising a warning > instead of trying to recover. I think there weirdness is because equality and comparison are mixed. Equality can be defined for almost every object, but comaprison makes sense for much smaller set of objects. So I wonder maybe a good solution would be to somehow separate the two. And then maybe raise an exception when trying to compare objects that can't be compared? -- Stas Malyshev smalyshev@gmail.com