Chapter 5. Collection types
It’s better to have 100 functions operate on one data structure than 10 functions on 10 data structures.
Alan Perlis[1]
1 “Epigrams on Programming,” ACM SIGPLAN 17, no. 9 (September 1982).
This chapter covers
- Persistence, sequences, and complexity
- Vectors: creating and using them in all their varieties
- Lists: Clojure’s code form data structure
- How to use persistent queues
- Persistent sets
- Thinking in maps
- Finding the position of items in a sequence
Clojure provides a rich set of composite data types, or collection types, and we’ll cover them all: vectors, lists, queues, sets, and maps. In this chapter, we’ll dig into the strengths and weaknesses of each. We’ll spend more time on vectors and maps than ...
Get The Joy of Clojure, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
