Skip to Content
Programming Clojure, 2nd Edition
book

Programming Clojure, 2nd Edition

by Stuart Halloway, Aaron Bedra
April 2012
Intermediate to advanced
296 pages
7h 3m
English
Pragmatic Bookshelf
Content preview from Programming Clojure, 2nd Edition

Calling Structure-Specific Functions

Clojure’s sequence functions allow you to write very general code. Sometimes you will want to be more specific and take advantage of the characteristics of a specific data structure. Clojure includes functions that specifically target lists, vectors, maps, structs, and sets.

We will take a quick tour of some of these structure-specific functions next. For a complete list of structure-specific functions in Clojure, see the Data Structures section of the Clojure website.[30]

Functions on Lists

Clojure supports the traditional names peek and pop for retrieving the first element of a list and the remainder, respectively:

 ​(peek coll)​
 ​(pop coll)​

Give a simple list a peek and pop:

 ​(peek '(1 2 3))​
 ​-> ...
Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Programming Clojure, 3rd Edition

Programming Clojure, 3rd Edition

Alex Miller, Stuart Halloway, Aaron Bedra
Clojure Programming

Clojure Programming

Chas Emerick, Brian Carper, Christophe Grand
Clojure in Action, Second Edition

Clojure in Action, Second Edition

Francis Avila, Amit Rathore

Publisher Resources

ISBN: 9781941222836Errata Page