Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.034 X-Spam-Evidence: '*H*': 0.93; '*S*': 0.00; 'args': 0.04; 'arguments,': 0.09; 'cleanly': 0.16; 'presume': 0.16; 'wrote:': 0.17; '>': 0.23; 'statement': 0.23; 'pass': 0.25; 'header:In-Reply-To:1': 0.25; 'am,': 0.27; 'message-id:@mail.gmail.com': 0.27; 'switch': 0.32; 'could': 0.32; 'like:': 0.33; 'to:addr:python-list': 0.33; 'skip:d 20': 0.34; 'received:google.com': 0.34; 'requiring': 0.35; 'pm,': 0.35; 'received:209.85': 0.35; 'something': 0.35; 'there': 0.35; 'ability': 0.36; 'received:209': 0.37; 'received:209.85.216': 0.37; 'subject:: ': 0.38; 'some': 0.38; 'to:addr:python.org': 0.39; '2013': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:content-type; bh=k4435CV/hi107EijRBQhSsaJIiyviknhvQgJV/fqtwQ=; b=Im20o+IRtf6MLjPFe2mOgVDNdTabwxVLUsaV0e/Hr2llV0/fgNp02/9ABcOLNN09c8 n2lmE6gTaZXIfl33QOeB3KW3YKgjSAxIvI7ryofsnFQgbOdXaNhipSFn189tFlQB8ZVp jQJ9z4nMLltwN4f9rYmjjpbStGDaWkGr7vPajDvXBd//5NwSrTwD6aiFyVoxZ0nYR2QT Z/9cmMWEA+JyfqHTVoRM5/2n4W7ipowF9PxPFcArozlkT5GiUJipHGzSviFmTIm+GinJ oldGCawr8HF+BkX1XweSK7sKc6w9MpJQMyn1pRCPp3kc8gQkB3Fji3Js3Ls3L2oYPzs5 NCaQ== MIME-Version: 1.0 X-Received: by 10.224.17.198 with SMTP id t6mr14389308qaa.84.1362952219478; Sun, 10 Mar 2013 14:50:19 -0700 (PDT) In-Reply-To: <513CF030.9030808@lightbird.net> References: <513CF030.9030808@lightbird.net> Date: Sun, 10 Mar 2013 21:50:19 +0000 Subject: Re: Switch statement From: Nicholas Cole To: python-list@python.org Content-Type: multipart/alternative; boundary=bcaec51dd8f1e3526d04d7990a72 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 103 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1362952228 news.xs4all.nl 6988 [2001:888:2000:d::a6]:49782 X-Complaints-To: abuse@xs4all.nl Path: csiph.com!usenet.pasdenom.info!news.stben.net!goblin1!goblin3!goblin2!goblin.stu.neva.ru!xlned.com!feeder1.xlned.com!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Xref: csiph.com comp.lang.python:41039 --bcaec51dd8f1e3526d04d7990a72 Content-Type: text/plain; charset=ISO-8859-1 On Sun, Mar 10, 2013 at 8:42 PM, Mitya Sirenef wrote: > On 03/10/2013 10:16 AM, Joseph L. Casale wrote: > >> I have a switch statement composed using a dict: >> > > > > > > switch = { > > 'a': func_a, > > 'b': func_b, > > 'c': func_c > > } > > switch.get(var, default)() > > > > > > As a result of multiple functions per choice, it migrated to: > > > > > > > > switch = { > > 'a': (func_a1, func_a2), > > 'b': (func_b1, func_b2), > > 'c': (func_c, ) > > } > > > > > > > > for f in switch.get(var, (default, )): > > f() > > > > > > As a result of only some of the functions now requiring unique > arguments, I presume this > > needs to be migrated to a if/else statement? Is there a way to maintain > the switch style with > > the ability in this scenario to cleanly pass args only to some functions? > Or could you do something like: arguments_to_pass = [list of some sort] switch.get(var, default)(*arguments_to_pass) --bcaec51dd8f1e3526d04d7990a72 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable


On Sun, Mar 10, 2013 at 8:42 PM, Mitya Sirenef <msirenef@lightbir= d.net> wrote:
On 03/10/2013 10:16 AM, = Joseph L. Casale wrote:
I have a switch statement =A0composed using a dict:
>
>
> switch =3D {
> 'a': func_a,
> 'b': func_b,
> 'c': func_c
> }
> switch.get(var, default)()
>
>
> As a result of multiple functions per choice, it migrated to:
>
>
>
> switch =3D {
> 'a': (func_a1, func_a2),
> 'b': (func_b1, func_b2),
> 'c': (func_c, )
> }
>
>
>
> for f in switch.get(var, (default, )):
> f()
>
>
> As a result of only some of the functions now requiring unique argumen= ts, I presume this
> needs to be migrated to a if/else statement? Is there a way to maintai= n the switch style with
> the ability in this scenario to cleanly pass args only to some functio= ns?

Or could you do s= omething like:

arguments_to_pass =3D [= list of some sort]
switch.get(var, default)(*arg= uments_to_pass)
--bcaec51dd8f1e3526d04d7990a72--