
Want this course?
Video time: 29m55s
Want this course?
HashMap collection
Course: Clojure Collections
HashMaps are the workhorse data structure of Clojure. They're used everywhere to add structure and meaning to data. We go over how to make them, how to use them, and some of the properties that make them so useful.
Next Lesson
Course: Clojure Collections
Lessons
Introduction to Clojure's Collections
5 min
Data structures
8 min
Vector collection
24 min
HashMap collection
30 min
Set collection
19 min
List collection
12 min
Queue collection
11 min
Sorted Map collection
11 min
Sorted Set collection
7 min
Access patterns
8 min
Sequential Access Pattern
26 min
Remembering Duplicates Access Pattern
16 min
Lookup by key Access Pattern
12 min
Associate key and value Access Pattern
19 min
Dissociate a key and value Access Pattern
4 min
Count the elements Access Pattern
6 min
Equality Comparison Access Pattern
12 min
Removing an item from a set Access Pattern
8 min
Splitting a sequence Access Pattern
8 min
Containment Check Access Pattern
9 min
First-in, first-out Access Pattern
12 min
Last-in, First-out Access Pattern
6 min
Usage patterns
2 min
Entity Usage Pattern
17 min
Index Usage Pattern
18 min
Tuple Usage Pattern
21 min
Multi-comparison Usage Pattern
11 min
Transients
11 min
Usage in an Atom
17 min
Hybrid Collections
11 min
Hybrid Types
27 min
Vectors and Lists in syntax
6 min
Lazy sequences
5 min
Collections vs sequences
14 min