January 2017
Intermediate to advanced
565 pages
13h 46m
English
Content preview from Clojure: High Performance JVM ProgrammingBecome 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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Specific collection types in Clojure
Now that you know about Clojure's general collection properties and the sequence abstraction, it is a good time to get to know about Clojure's specific collection implementations.
Vectors
Vectors are Clojure's workhorse; together with map, it is the most used collection. Don't be afraid of them; they have nothing to do with Java's java.util.Vector. They are just a series of ordered values, such as a list or an array.
They have the following properties:
- They are immutable
- They can be accessed sequentially
- They are associative (they are maps of their indices, meaning that their keys are 0, 1, 2, and so on)
- They are counted, meaning they have a finite size
- They have random access, so you can access any element with almost ...
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