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 36 slides

  2 Drawing Heighway’s Dragon - Part 2 - Recursive Function Simplification - From 2^n Recursive Invocations To n Tail-Recursive Invocations Exploiting Self-Similarity 62 slides

  3 Drawing Heighway’s Dragon - Part 3 - Simplification Through Separation of Concerns - Rotation Without Matrix Multiplication 29 slides

  4 Drawing Heighway’s Dragon - Part 4 - Interactive and Animated Dragon Creation 46 slides

2 - Fibonacci Function Gallery

  1 Fibonacci Function Gallery - Part 1 38 slides

  2 Fibonacci Function Gallery - Part 2 62 slides

3 - Folding Cheat Sheets

  1 Folding Cheat Sheet Series Titles 1 slides

  2 Folding Cheat Sheet #1 - Folding over recursively defined data structures for natural numbers and lists 3 slides

  3 Folding Cheat Sheet #2 - Programmatic and mathematical definitions of right fold and left fold 4 slides

  4 Folding Cheat Sheet #3 - The universal property of fold 6 slides

  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 8 slides

  6 Folding Cheat Sheet #5 - Folding a list right and left using Cons and Nil results in the identity and reverse functions 2 slides

  7 Folding Cheat Sheet #6 - Left and right folds and tail recursion 12 slides

  8 Folding Cheat Sheet #7 - The three duality theorems of fold 21 slides

  9 Folding Cheat Sheet #8 - Folding with monoids 39 slides

  10 Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate' 21 slides

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

  1 A sighting of sequence function in Practical FP in Scala 4 slides

  2 A sighting of traverseFilter and foldMap in Practical FP in Scala 6 slides

  3 A sighting of traverse_ in Practical FP in Scala 5 slides

  4 A Sighting of filterA in Typelevel Rite of Passage 23 slides

5 - Sightings of Cats functions in Practical FP in Scala

  1 A sighting of sequence function in Practical FP in Scala 4 slides

  2 A sighting of traverseFilter and foldMap in Practical FP in Scala 6 slides

  3 A sighting of traverse_ in Practical FP in Scala 5 slides

6 - Computer Graphics in Java and Scala

  1 Computer Graphics in Java and Scala - Part 1 25 slides

  2 Computer Graphics in Java and Scala - Part 1b 28 slides

7 - The Expression Problem

  1 The Expression Problem Part 1 47 slides

  2 The Expression Problem Part 2 35 slides

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 93 slides

  2 Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Java 95 slides

  3 Side by Side - Scala and Java Adaptations of Martin Fowler’s Javascript Refactoring Example 13 slides

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 34 slides

  2 N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 2 58 slides

  3 N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 3 27 slides

  4 N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 4 55 slides

10 - Folding Unfolded

  1 Folding Unfolded - Part 1 58 slides

  2 Folding Unfolded - Part 2 46 slides

  3 Folding Unfolded - Part 3 53 slides

  4 Folding Unfolded - Part 4 54 slides

  5 Folding Unfolded - Part 5 48 slides

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

  1 Game of Life - Polyglot FP - Haskell and Scala - Part 1 70 slides

  2 Game of Life - Polyglot FP - Haskell and Scala - Part 2 55 slides

  3 Game of Life - Polyglot FP - Haskell and Scala - Part 3 52 slides

12 - Monads

  1 Arrive at monads by going from composition of pure functions to composition of effectful functions 6 slides

  2 Monad as Functor with pair of Natural Transformations 20 slides

  3 Monad Laws Must Be Checked 8 slides

  4 Writer Monad for logging execution of functions 14 slides

  5 Monads do not Compose 30 slides

  6 Monad Transformers - Part 1 28 slides

  7 Addendum to `Monads do not Compose` 4 slides

  8 State Monad 91 slides

  9 The Monad Fact Series 4 slides

  10 Monad Fact #1 8 slides

  11 Monad Fact #2 9 slides

  12 Monad Fact #3 16 slides

  13 Monad Fact #4 24 slides

  14 Monad Fact #5 17 slides

  15 Monad Fact #6 18 slides

  16 From Scala Monadic Effects to Unison Algebraic Effects 44 slides

  17 Scala 3 enum for a terser Option Monad Algebraic Data Type 21 slides

13 - Monad Fact Series

  1 The Monad Fact Series 4 slides

  2 Monad Fact #1 8 slides

  3 Monad Fact #2 9 slides

  4 Monad Fact #3 16 slides

  5 Monad Fact #4 24 slides

  6 Monad Fact #5 17 slides

  7 Monad Fact #6 18 slides

14 - Functional Effects

  1 Functional Effects - Part 1 8 slides

  2 Functional Effects - Part 2 39 slides

15 - Monoids

  1 Monoids - Part 1 - With examples using Scalaz and Cats 39 slides

  2 Monoids - Part 2 - With examples using Scalaz and Cats 40 slides

16 - Sequence and Traverse

  1 Sequence and Traverse - Part 1 36 slides

  2 Sequence and Traverse - Part 2 33 slides

  3 Sequence and Traverse - Part 3 33 slides

17 - Applicative Functor

  1 Applicative Functor - Part 1 19 slides

  2 Applicative Functor - Part 2 44 slides

  3 Applicative Functor - Part 3 38 slides

  4 Function Applicative for Great Good of Palindrome Checker Function 71 slides

  5 Hand Rolled Applicative User Validation Code Kata 6 slides

  6 Function Applicative for Great Good of Leap Year Function 25 slides

18 - Applicative Functor Series

  1 Applicative Functor - Part 1 19 slides

  2 Applicative Functor - Part 2 44 slides

  3 Applicative Functor - Part 3 38 slides

19 - The Open Closed Principle

  1 The Open-Closed Principle - Part 1 - The Original Version 83 slides

  2 The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction 40 slides