From: PT <mailshield.gg@mailnull.com>
Subject: Function binders in Elisp?
Date: Sun, 17 Apr 2005 19:47:53 +0200 [thread overview]
Message-ID: <opspd013hnp52o26@home-ca12fabbc0> (raw)
For predicates I usually use lambda functions. For example:
(require 'cl)
(remove-if (lambda (x) (> x 2))
'(1 2 3 4))
I'm not a lisp guru, therefore I often wonder if there are standard binder
functions in emacs lisp like for example bind2nd in C++ STL which
transforms a binary function into an unary function:
find_if(L.begin(), L.end(), bind2nd(greater<int>(), 2)) // C++
So that I can write something like this:
(remove-if (bind-second '< 2)
'(1 2 3 4))
next reply other threads:[~2005-04-17 17:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-17 17:47 PT [this message]
2005-04-18 16:26 ` Function binders in Elisp? rgb
2005-04-18 18:15 ` PT
2005-04-18 20:20 ` Thien-Thi Nguyen
2005-04-18 22:45 ` Pascal Bourguignon
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