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Video time: 14m22s
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Collections vs sequences
When I first was learning Clojure, something was confusing: some operations, like map, took the collection as the last argument, and some, like conj, took the collection as the first argument. It was frustrating. But then I learned that they are in two different categories of functions. Learning that fact helped me be more productive in the language.
Code is available: lispcast/clojure-collections
You can checkout the code in your local repo with this command:
$CMD git clone https://github.com/lispcast/clojure-collections.git
$CMD cd clojure-collections Clojure Collections
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