From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by sourceware.org (Postfix) with ESMTPS id 8A6633858C66 for ; Fri, 3 Nov 2023 17:57:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8A6633858C66 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 8A6633858C66 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::52b ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699034282; cv=none; b=WJqv9UJ2upptXdVrndOa9Zn98BgRpWJZcy4ad+hLaJqEZ1jh5sjAp9NsgCzyxcTEoQeu2QX8eZV5zkY2pSUaPSmPw/2NZECVvTKIzzJy899dkZtgA2kud7eRs/NY0bwfv0L3yFJyy3Oe35Nc54nx2klht95+L1Xgy0iDCcDE4Fk= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699034282; c=relaxed/simple; bh=rFkg+pvO77y1r9YnH3iHEo6WKWeM83LMpEP8L3vRQM8=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=G5mFFJJtZZVCuWM9MK3ExPqtc63orrutScCSXFHDhbuiMVXHmG2SB4zWfJL4M2kQ2+abb9DLKIBNvy4jtEAtft9+MP5fl6KjFS1ERNJYNOkzImWHUu0JqpJyLvhvQIyG/NQOP5Pnoo+CL3hCiSCfYfnwzJ3hv/CMkU3lKG5nTb4= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-5435336ab0bso3940443a12.1 for ; Fri, 03 Nov 2023 10:57:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699034271; x=1699639071; darn=sourceware.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=inDxiOO8HQLaLk3eQsJCXb/iOw+I4LnC/W0OAGtHTdY=; b=O1RvFaAAxaQ4E1cNIoxdaIbESaShf4Q6+69urD6Arbe5FAmmxDVq6Lh6uYCP1JxJTX nBJP3vmRhUU9MItjLYLv99+GYQsKAqeVWcl/eCb4uvQtB0f6FN3xDeP7KZfONVYgSS0+ irvLKUypoQMHRJ76DbAgTk40V5phNPZiIeIRU5aYGgN0xVKHDNx7IFU/CklvjVmPT3lO TUTUusFUzwDbHZu8fIQNa4c894lHz4MGyC462t//5qQrbOKn5NeQwlrxFODhMDK0w6Uk 7CnWCp46zyL4WzsONNnipghNMPUnkeut6jtwIpK00ba7w8Jaz5bb03O9xz5swfdjBtT2 g6jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699034271; x=1699639071; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=inDxiOO8HQLaLk3eQsJCXb/iOw+I4LnC/W0OAGtHTdY=; b=uyKGr1nesMpX0Pdu0WNDWsk8ntJGWC9ktFo22R9vumi6HYoWb7Ouj8gkmwzeQtUyad xilJ0N3JrB50DH7W9zLGjTSvBp7PqBH128mjyOXIpzRYZ66g5LGV4jhTqOgaRVeAKsbP qJ73NTwkdDY2piKUyZ1f+fcoyP2WV4QQ4O/aeCZfTjhiuiQthpT/MnlBLaacTGs2LBlI wMC6i1v+Nodl1APa3F3FVryoFolh4DfNZIj02FOMZxtXehjiI6EZk4HjywAiGGqm3IWk umg9FRY2wPxK/oACX+/mhahXeJPISgshW/1ss2YEMAomKKdPDGhVlL1cEpsgIPTdXUm5 9OIA== X-Gm-Message-State: AOJu0YydpzGLYPwSDWGd+L6552JULZYn+/urDh4FXJSL7zDtTsZv5Eqy eJ+KjFg1GR6G2HYNLKu89Tn9CqGzdmFvE5a7SLG1BMqShmk= X-Google-Smtp-Source: AGHT+IGMW5ipePwEtNmCgvmvMDPDjJc+c4zqDxjXG1aTDaByudXFPMUi3YmaTp/JUm0PC5HGVPkWdBKoDKmQZ5SbS0I= X-Received: by 2002:a17:906:9c82:b0:9ae:961a:de81 with SMTP id fj2-20020a1709069c8200b009ae961ade81mr6927672ejc.27.1699034270946; Fri, 03 Nov 2023 10:57:50 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Damien Mattei Date: Fri, 3 Nov 2023 18:57:39 +0100 Message-ID: Subject: Re: duplicate version reference - was # To: Per Bothner Cc: kawa@sourceware.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: i understand. For my overloading operator idea, do you think is it possible in Kawa (like in guile: (define-method (+ (x ) (y )) (vector-append x y)) ),using the class and defining method to overload some operators like + ,* ,etc ? and even do it for basic type like vectors? allowing the use of + instead of vector-append? On Fri, Nov 3, 2023 at 6:35=E2=80=AFPM Per Bothner wrote: > > > > On 11/3/23 10:25, Damien Mattei via Kawa wrote: > > but if i put the statement in a macro, it no more works: > > kawa -Dkawa.import.path=3D"." > > #|kawa:1|# (define-syntax define-overload-existing-operator > > #|.....2|# > > #|.....3|# (syntax-rules () > > #|.....4|# > > #|.....5|# ((_ proc) (import (rename (scheme base) (proc orig-proc)= ))))) > > #|kawa:6|# (define-overload-existing-operator +) > > /dev/tty:6:1: duplicate version reference - was # > > /dev/tty:6:1: unknown library (#) > > To start with, orig-proc is undefined. proc and orig-proc are completely = unrelated identifiers. > > Generating a new identifier orig-proc based on an existing identifier pro= c > is possible (using syntax->datum and datum->syntax) but it's tricky. > > Using import in a macro expansion may have some issues or bugs > I haven't really thought about, at least not in a long time. > -- > --Per Bothner > per@bothner.com http://per.bothner.com/