Data structures

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Data structures

Published October 24, 2018

We go over the stuff that's common for all of the data structures. Namely, that they are immutable and persistent.

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Vector collection

Vectors are a super common data structure in Clojure. They're super useful. They have a literal representation, give you random-access to all the elements inside, and they maintain order. We go over how to make vectors, how to use them, and some of their interesting properties.

Clojure Collections

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Introduction to Clojure's Collections

Data structures

Vector collection

HashMap collection

List collection

Queue collection

Sorted Map collection

Sorted Set collection

Access patterns

Sequential Access Pattern

Remembering Duplicates Access Pattern

Lookup by key Access Pattern

Associate key and value Access Pattern

Dissociate a key and value Access Pattern

Count the elements Access Pattern

Equality Comparison Access Pattern

Removing an item from a set Access Pattern

Splitting a sequence Access Pattern

Containment Check Access Pattern

First-in, first-out Access Pattern

Last-in, First-out Access Pattern

Entity Usage Pattern

Index Usage Pattern

Tuple Usage Pattern

Multi-comparison Usage Pattern

Usage in an Atom

Hybrid Collections

Vectors and Lists in syntax

Collections vs sequences