19 Collections - Latest First - Chse one - invert order

1 - Drawing Heighway’s Dragon

1	Drawing Heighway’s Dragon - Part 1 - Recursive Function Rewrite - From Imperative Style in Pascal 64 To Functional Style in Scala 3
2	Drawing Heighway’s Dragon - Part 2 - Recursive Function Simplification - From 2^n Recursive Invocations To n Tail-Recursive Invocations Exploiting Self-Similarity
3	Drawing Heighway’s Dragon - Part 3 - Simplification Through Separation of Concerns - Rotation Without Matrix Multiplication
4	Drawing Heighway’s Dragon - Part 4 - Interactive and Animated Dragon Creation

2 - Fibonacci Function Gallery

1	Fibonacci Function Gallery - Part 1
2	Fibonacci Function Gallery - Part 2

3 - Folding Cheat Sheets

1	Folding Cheat Sheet Series Titles
2	Folding Cheat Sheet #1 - Folding over recursively defined data structures for natural numbers and lists
3	Folding Cheat Sheet #2 - Programmatic and mathematical definitions of right fold and left fold
4	Folding Cheat Sheet #3 - The universal property of fold
5	Folding Cheat Sheet #4 - For functions that can be defined both as a right fold and as a left fold, one may be more efficient than the other
6	Folding Cheat Sheet #5 - Folding a list right and left using Cons and Nil results in the identity and reverse functions
7	Folding Cheat Sheet #6 - Left and right folds and tail recursion
8	Folding Cheat Sheet #7 - The three duality theorems of fold
9	Folding Cheat Sheet #8 - Folding with monoids
10	Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'

4 - Sightings of Cats functions in Books, Courses, etc

1	A sighting of sequence function in Practical FP in Scala
2	A sighting of traverseFilter and foldMap in Practical FP in Scala
3	A sighting of traverse_ in Practical FP in Scala
4	A Sighting of filterA in Typelevel Rite of Passage

5 - Sightings of Cats functions in Practical FP in Scala

1	A sighting of sequence function in Practical FP in Scala
2	A sighting of traverseFilter and foldMap in Practical FP in Scala
3	A sighting of traverse_ in Practical FP in Scala

6 - Computer Graphics in Java and Scala

1	Computer Graphics in Java and Scala - Part 1
2	Computer Graphics in Java and Scala - Part 1b

7 - The Expression Problem

1	The Expression Problem Part 1
2	The Expression Problem Part 2

8 - Refactoring: A First Example - Martin Fowler’s First Example of Refactoring

1	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Scala
2	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Java
3	Side by Side - Scala and Java Adaptations of Martin Fowler’s Javascript Refactoring Example

9 - N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala

1	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 1
2	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 2
3	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 3
4	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 4

10 - Folding Unfolded

1	Folding Unfolded - Part 1
2	Folding Unfolded - Part 2
3	Folding Unfolded - Part 3
4	Folding Unfolded - Part 4
5	Folding Unfolded - Part 5

11 - Game of Life - Polyglot FP - Haskell and Scala

1	Game of Life - Polyglot FP - Haskell and Scala - Part 1
2	Game of Life - Polyglot FP - Haskell and Scala - Part 2
3	Game of Life - Polyglot FP - Haskell and Scala - Part 3

12 - Monads

1	Arrive at monads by going from composition of pure functions to composition of effectful functions
2	Monad as Functor with pair of Natural Transformations
3	Monad Laws Must Be Checked
4	Writer Monad for logging execution of functions
5	Monads do not Compose
6	Monad Transformers - Part 1
7	Addendum to `Monads do not Compose`
8	State Monad
9	The Monad Fact Series
10	Monad Fact #1
11	Monad Fact #2
12	Monad Fact #3
13	Monad Fact #4
14	Monad Fact #5
15	Monad Fact #6
16	From Scala Monadic Effects to Unison Algebraic Effects
17	Scala 3 enum for a terser Option Monad Algebraic Data Type

13 - Monad Fact Series

1	The Monad Fact Series
2	Monad Fact #1
3	Monad Fact #2
4	Monad Fact #3
5	Monad Fact #4
6	Monad Fact #5
7	Monad Fact #6

14 - Functional Effects

1	Functional Effects - Part 1
2	Functional Effects - Part 2

15 - Monoids

1	Monoids - Part 1 - With examples using Scalaz and Cats
2	Monoids - Part 2 - With examples using Scalaz and Cats

16 - Sequence and Traverse

1	Sequence and Traverse - Part 1
2	Sequence and Traverse - Part 2
3	Sequence and Traverse - Part 3

17 - Applicative Functor

1	Applicative Functor - Part 1
2	Applicative Functor - Part 2
3	Applicative Functor - Part 3
4	Function Applicative for Great Good of Palindrome Checker Function
5	Hand Rolled Applicative User Validation Code Kata
6	Function Applicative for Great Good of Leap Year Function

18 - Applicative Functor Series

1	Applicative Functor - Part 1
2	Applicative Functor - Part 2
3	Applicative Functor - Part 3

19 - The Open Closed Principle

1	The Open-Closed Principle - Part 1 - The Original Version
2	The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction