From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Arne Babenhauserheide Newsgroups: gmane.lisp.guile.user Subject: Re: Comparing two hash tables for equality? Date: Mon, 27 Aug 2018 22:25:05 +0200 Message-ID: <87pny3a76m.fsf@web.de> References: <2418985.EcWt8OQBW1@aleksandar-ixtreme-m5740> <87o9dovj4z.fsf@netris.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" X-Trace: blaine.gmane.org 1535401417 1498 195.159.176.226 (27 Aug 2018 20:23:37 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 27 Aug 2018 20:23:37 +0000 (UTC) User-Agent: mu4e 1.0; emacs 25.3.1 Cc: guile-user@gnu.org, Aleksandar Sandic To: Mark H Weaver Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Mon Aug 27 22:23:33 2018 Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fuO2u-0000EY-9T for guile-user@m.gmane.org; Mon, 27 Aug 2018 22:23:32 +0200 Original-Received: from localhost ([::1]:35028 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fuO50-0007gf-Id for guile-user@m.gmane.org; Mon, 27 Aug 2018 16:25:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55766) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fuO4b-0007g0-Ny for guile-user@gnu.org; Mon, 27 Aug 2018 16:25:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fuO4Y-0001ie-Jf for guile-user@gnu.org; Mon, 27 Aug 2018 16:25:17 -0400 Original-Received: from mout.web.de ([212.227.15.4]:51361) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fuO4Y-0001hW-9r for guile-user@gnu.org; Mon, 27 Aug 2018 16:25:14 -0400 Original-Received: from fluss ([84.165.21.232]) by smtp.web.de (mrweb004 [213.165.67.108]) with ESMTPSA (Nemesis) id 0LnEs9-1fR4bS10RR-00hR8R; Mon, 27 Aug 2018 22:25:11 +0200 In-reply-to: <87o9dovj4z.fsf@netris.org> X-Provags-ID: V03:K1:rPbH+Oi2vurZyjQBtfXX9+VUJDbeiz4okVzoP3iB9aOf6Q1/1Ua MVrhXwdyuSUkNgstUTE8GQM+BrXDy19e6R5q/Kc3LXzSYIOi0Jeph5sviZK9gApd1hy/RTH QoRV2pWAIhZ+wxLDsy9Qh94eZCuOy/TWltXdizppK7QOwoxKRz6r9hp9+TpzkSUeKxmthnO N5Z9S1F03GgMY248eHdaQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:XXcBYU3luo0=:gqNjUQBCQpfHuS+7EmVs3M KtLjtjsAav1IJEpCnwKXvbu6KHfFPlAUD7YT9AloKRjstkA93i7vvnSzFNciAqhEVdaRutqQv BD1j0cZwflUjobIifeEZilxLIcyTxrxL43jTvz/lw9cWSFDtOQiENk1FAFd2xfU4wk0uLCdwt yDUpFhDMVhUHc7E26YFSW7jazfyd234LoRIf6ifLFI95Gpuf9vWjUhON0sGlpn74cBPULC3mf 7BTIn3LTltXHjF1NYpuNiPCZsAfYxTA1jDUqLYCXHboUGQmEV6S7ZIhGgH45PvjGxUITNJYZG AX+nENcqQ6WzPIO15nwaQeW60V9/+Py2jhjx1WXm0TUQHQzdIgJaL8rpVOgyPo+5xxGov6JJD jGXjtDDpc23Vnm1Im5knu5aynWJIKzVLvrtGibhp//vtZ8C1DQPkGuBjslULjjqwVVi8lW0cJ NY2m5I/GgvOSTqa5yVsBD+K8vpTQfjX0uitCOgPsnqwaLzzLEqD16LZpbpxA24DDivh8MeurV 1WCl8JkrIkUu6PdUWyIVVzCndb7JG/nRK26bMJVtJAF38Rl/EFH6i9CD7KCDxt6bzWxKu+U+p QjaiwYZPDK7YMkmJ6RGpTlTnYlgGAyI1YWCW/v82gGmk/oRTQwnykHPthSkhUdQcSvJlJhn28 sA9AXw+Ye9JRFSz/JuT6thKCb1hCQ62yJe1ThMlzGdAmkh7DsDj3uwvPf2DYceTgX+2Fs/djE I8FOz7rwFwvGJ5BTZD9Muo/+KUEEgkm4YxIEDndKFxsfnUMrulqJqp0t4ec= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.15.4 X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Original-Sender: "guile-user" Xref: news.gmane.org gmane.lisp.guile.user:14790 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mark H Weaver writes: > Hi Aleksandar, > Hash table implementations typically don't offer an equality test on the > hash tables themselves, and I don't recall anyone ever asking for such > an operation before now. I already wrote diff-algorithms for Python dictionaries, which is close to implementing (equal? h H). The main advantage of hash-tables over other dictionary types is that they are very, very fast. I tried finding anything faster, but I did not. Best wishes, Arne =2D-=20 Unpolitisch sein hei=C3=9Ft politisch sein ohne es zu merken --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE801qEjXQSQPNItXAE++NRSQDw+sFAluEXiMACgkQE++NRSQD w+vsKA//SUQwF58q7RT8FUeZElvD5emiQ++zA32vcQdKpnuNsJDcOVROe6MkhbvP Q/++L6HlVlixzmbFYAFsz6T7wSKO7NnzMMFeArdHXGLmbHIOhCMS7NL+boA4PVl6 9ihqg5LKLltrgrvD0MhfabczR28lUg5VbZgkgtE9/V3RSmTElLZ/EpMDvGwH90n1 BHoV4nu2P2K5P1dyK4n5WjfUxuiBrdsmyT5HMNBaoXnLuIbyGEi+kU9dWhH7C7d0 vJxebpxKHXU2fmN5OM//ZHyo2pdGurYQw7fvr5JkoYAemIOLIe0NHn56rdO2lB2h +yfNAbdjWsCxE83+6/rfxichhqzX0sBD/s3ZgLKw/Bx9wqk3FQegv4Mg6l1BkFm9 i9d840JywXwaNxXNMz2xzTif6b73OkdjRdT6TEakQk+nkkdVLRRuzdJ/iV1OTmar WHI7GDWK8wmsrrLrzawVRmZUlD/puVMXwpl7mGxsycyJnzxo+H0s7Q4uDD7rh1Ug lehXUScPRWAzmYdywNZIpJVIxjlhtc+k2G/Lv/597Qh36CmvfxFcYVnDxWYGkVhE 6jJG7BTIjcuu7t+bm/zpwd7Xy2mdGbvfp5/Np3Qp/lqsCX9irNLiwS9/hwLpABbr zmCLFn6t7uhsCr3VlPcqjuihC6uH13Ky9X7va+M5Ci+q8U8LhvuIswQBAQgAHRYh BN0ovebZh1yrzkqLHdzPDbMLwQVIBQJbhF4jAAoJENzPDbMLwQVIsw8D/RKxdnwI SI2yzsVIttUR9d8dH1CcQpsu2RsDk+2tTyD7vFyZpt4HFx6u6wl/h30oX1nWKDQf sEIdrVFahSxdizO+g55dpoFdHGttM9yrwKiQoxTJXX43ptJuGs62kXqsUsPRI84y Fh9WlLPnIH5BEqDc5Bze0zBMb5TTWSvXGNhd =c+s7 -----END PGP SIGNATURE----- --=-=-=--