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From: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: concat with separators ?
Date: Wed, 24 May 2017 10:34:48 -0400	[thread overview]
Message-ID: <783c09c3-60df-e011-6db4-f8560c00cf92@gmail.com> (raw)
In-Reply-To: <CAFyQvY3kb4D_hwRG6Oud+bYZjOBJYvWJtqeNC_iLV5=3Cbbrag@mail.gmail.com>

On 2017-05-24 10:21, Kaushal Modi wrote:
> On Wed, May 24, 2017 at 10:19 AM Jean-Christophe Helary <jean.christophe.helary@gmail.com <mailto:jean.christophe.helary@gmail.com>> wrote:
> 
>     I just realized today that concat did not come with optional separators (unlike mapconcat). Is there a reason for that ?
> 
> 
> I just using mapconcat when I feel that need:
> 
> Example:
> 
> (mapconcat #'identity '("a" "b" "c") "|")  => "a|b|c"

That's roughly the definition of string-join in subr-x:

(defsubst string-join (strings &optional separator)
  "Join all STRINGS using SEPARATOR."
  (mapconcat 'identity strings separator))





  reply	other threads:[~2017-05-24 14:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-24 14:18 concat with separators ? Jean-Christophe Helary
2017-05-24 14:21 ` Kaushal Modi
2017-05-24 14:34   ` Clément Pit-Claudel [this message]
2017-05-28  5:33     ` Jean-Christophe Helary
2017-05-28 10:52       ` Tino Calancha
2017-05-28 11:02         ` Jean-Christophe Helary
2017-05-28 11:27           ` Tino Calancha

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