Clojure Goodness Notebook

About Me

Introduction

1. Code samples

Core

1. There Is Truth In Many Things
2. Get Clojure Version
3. Keyword As Function
4. Using Sets As Functions
5. Destructure Sequences
6. Destructuring Maps

Functions

1. Create New Function Complementing Other Function
2. Repeating A Value Or Function Invocation
3. Composing Functions With comp
4. Set Default Value For nil Function Argument With fnil
5. Getting Results From Multiple Functions With Juxt Function
6. Pure Function Sample Buying Coffee From FP Programming In Scala Written In Clojure

Strings

1. Formatting With Java Format String
2. Trimming Strings
3. Check Substring Is Part Of String
4. Splitting Strings
5. Joining Elements in a Collection
6. Replacing Characters In A String With escape Function
7. Replacing Matching Values In String

Collections

1. Merge Maps With Function To Set Value Duplicate Keys
2. Split Collection With Predicate
3. Concatenation Of Map Function Results With mapcat
4. Transforming Collection Items With Index
5. Repeat Items In A Collection As Lazy Sequence With cycle
6. Interleave Keys And Values Into A Map With zipmap
7. Using The range Function
8. Combine First And Next Functions Multiple Times
9. Get Random Item From A Sequence
10. Query Set Of Maps With index Function
11. Creating Union Of Sets
12. Find Differences In Sets
13. Getting But The Last Element(s) From A Collection
14. Remove Duplicates From A Collection With distinct
15. Remove Consecutive Duplicate Elements From Collection
16. Getting Part Of A Vector With subvec
17. Shuffle A Collection
18. Finding The Maximum Or Minimum Value
19. Taking Or Dropping Elements From A Collection Based On Predicate
20. Partition Collection Into Sequences
21. Counting Frequency Of Items In A Collection
22. Reapply Function With Iterate To Create Infinite Sequence
23. Checking Predicate For Every Or Any Element In A Collection
24. Keep Non-Nil Function Results From Collection
25. Flatten Collections
26. Getting Intersections Between Sets

Files

1. Writing Text File Content With spit
2. Reading Text File Content With slurp
3. Create All Parent Directories For A File

Java Interoperability

1. Create New Instance Of Java Class
2. Create And Initialize Object Based On Java Class With doto
3. Use .. For Invocation Java Method Chaining
4. Invoke Java Method With Varargs Parameter
5. Turn Java Object To Map With bean Function