November 2010
Intermediate to advanced
504 pages
12h 45m
English
Content preview from Land of LispBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Control Sequences for Printing Lisp Values
Any Lisp value can be printed with the print or prin1 command. To print a value for humans, without any delimiters, we can use the princ command:
>(prin1 "foo")"foo" >(princ "foo")foo
We can use the ˜s and ˜a control sequences with format to produce the same behavior as prin1 and princ. When used with format, the ˜s control sequence includes appropriate delimiters. The ˜a shows the value, without delimiters, for humans to read:
>(format t "I am printing ˜s in the middle of this sentence." "foo")I am printing "foo" in the middle of this sentence. >(format t "I am printing ˜a in the middle of this sentence." "foo")I am printing foo in the middle of this sentence.
We can adjust the behavior of these ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.