[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- To: common-lisp@sail
- Subject: Backquote idioms
- From: Guy Steele <gls%AQUINAS@THINK.ARPA>
- Date: Fri, 17 May 1985 16:57:00 -0000
- Cc: gls%AQUINAS@THINK.ARPA
Has anyone ever undertaken a study or catalog of backquote idioms?
Those of you who have used backquote at all seriously have probably come
', ,', ,, ,@, ,@', ,',',
as primitive idioms, almost recognizable as units, such as we take in CADDR
at a glance without thinking about the three component operations.
I raise this question because a few weeks ago I was confronted for the
first time with a situation for which the eventual solution was
and it occurred to me that ,@(LIST ,@ is another useful idiom.
(It is the splicing analogue[*] of ,, .)
Anyway, it would be interesting to assemble a list of such useful idioms.
It might make a good paper for the 1986 LISP conference. (Alan, are
[*] I am aware that it is terribly inconsistent of me to write "catalog"
but "analogue". I promise not to do it again (very much).