110 Decks Ordered By View Count - Highest First - Chse one - invert order

#	Title	Views
1	Direct Style Effect Systems - The Print[A] Example - A Comprehension Aid	5384
2	Folding Cheat Sheet #1 - Folding over recursively defined data structures for natural numbers and lists	2928
3	N-Queens Combinatorial Puzzle meets Cats	2197
4	Fibonacci Function Gallery - Part 2	2177
5	The Open-Closed Principle - Part 1 - The Original Version	2139
6	Folding Cheat Sheet #6 - Left and right folds and tail recursion	2019
7	Folding Cheat Sheet #7 - The three duality theorems of fold	1991
8	List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'	1912
9	Fibonacci Function Gallery - Part 1	1891
10	Function Applicative for Great Good of Leap Year Function	1868
11	Folding Cheat Sheet #3 - The universal property of fold	1860
12	Folding Cheat Sheet #2 - Programmatic and mathematical definitions of right fold and left fold	1830
13	The Functional Programming Triad of map, filter and fold	1827
14	Drawing Heighway’s Dragon - Part 1 - Recursive Function Rewrite - From Imperative Style in Pascal 64 To Functional Style in Scala 3	1660
15	Folding Cheat Sheet #8 - Folding with monoids	1647
16	Monad Laws Must Be Checked	1581
17	The Open-Closed Principle - Part 2 - The Contemporary Version - An Introduction	1569
18	A Sighting of filterA in Typelevel Rite of Passage	1549
19	Tagless Final Encoding - Algebras and Interpreters and also Programs	1372
20	Lambda Expressions and Java 8 - Lambda Calculus, Lambda Expressions, Syntactic Sugar, First Class Functions	1341
21	Hand Rolled Applicative User Validation Code Kata	1303
22	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	1268
23	From Subtype Polymorphism To Typeclass-based Ad hoc Polymorphism - An Example	1213
24	Compositionality and Category Theory	1173
25	The Nature of Complexity in John Ousterhout’s Philosophy of Software Design	951
26	The Expression Problem Part 1	839
27	Scala Left Fold Parallelisation - Three Approaches	818
28	Folding Cheat Sheet #9 - List Unfolding - 'unfold' as the Computational Dual of 'fold', and how 'unfold' relates to 'iterate'	807
29	Algebraic Data Types for Data Oriented Programming - From Haskell and Scala to Java	697
30	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Java	686
31	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 1	666
32	Folding Cheat Sheet #5 - Folding a list right and left using Cons and Nil results in the identity and reverse functions	664
33	Drawing Heighway’s Dragon - Part 4 - Interactive and Animated Dragon Creation	648
34	Definitions of Functional Programming	633
35	Drawing Heighway’s Dragon - Part 3 - Simplification Through Separation of Concerns - Rotation Without Matrix Multiplication	632
36	Kleisli composition, flatMap, join, map, unit - implementation and interrelation - V2 updated for Scala 3	623
37	The Sieve of Eratosthenes - Part 2 - Genuine versus Unfaithful Sieve	604
38	The Expression Problem Part 2	598
39	Computer Graphics in Java and Scala - Part 1	595
40	Applicative Functor - Part 2	574
41	Refactoring: A First Example - Martin Fowler’s First Example of Refactoring, Adapted to Scala	564
42	Kleisli Composition	562
43	Nat, List and Option Monoids - From scratch - Combining and Folding - An example	562
44	Drawing Heighway’s Dragon - Part 2 - Recursive Function Simplification - From 2^n Recursive Invocations To n Tail-Recursive Invocations Exploiting Self-Similarity	560
45	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 3	558
46	Folding Unfolded - Part 1	548
47	The Sieve of Eratosthenes - Part 1	542
48	Monad Fact #4	537
49	A sighting of traverse_ in Practical FP in Scala	537
50	Monad Fact #1	536
51	From Scala Monadic Effects to Unison Algebraic Effects	535
52	Computer Graphics in Java and Scala - Part 1b	531
53	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 2	530
54	Applicative Functor - Part 1	523
55	Game of Life - Polyglot FP - Haskell and Scala - Part 1	520
56	Folding Unfolded - Part 2	518
57	A sighting of sequence function in Practical FP in Scala	511
58	Functional Core and Imperative Shell - Game of Life Example - Haskell and Scala	509
59	The Monad Fact Series	506
60	Quicksort - a whistle-stop tour of the algorithm in five languages and four paradigms	505
61	N-Queens Combinatorial Problem - Polyglot FP for Fun and Profit – Haskell and Scala - Part 4	500
62	Monad Fact #6	490
63	Side by Side - Scala and Java Adaptations of Martin Fowler’s Javascript Refactoring Example	490
64	A sighting of traverseFilter and foldMap in Practical FP in Scala	490
65	Scala 3 enum for a terser Option Monad Algebraic Data Type	489
66	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 1	482
67	The Uniform Access Principle	481
68	Sierpinski Triangle - Polyglot FP for Fun and Profit - Haskell and Scala	480
69	Monad Fact #3	480
70	Sum and Product Types - The Fruit Salad & Fruit Snack Example	476
71	Fusing Transformations of Strict Scala Collections with Views	475
72	‘go-to’ general-purpose sequential collections - from Java To Scala	471
73	Arrive at monads by going from composition of pure functions to composition of effectful functions	469
74	Monad Fact #2	466
75	The aggregate function - from sequential and parallel folds to parallel aggregation	464
76	Folding Unfolded - Part 3	458
77	Functor Laws	451
78	Function Applicative for Great Good of Palindrome Checker Function	448
79	Applicative Functor - Part 3	448
80	Folding Unfolded - Part 5	447
81	Monad Fact #5	447
82	Folding Unfolded - Part 4	447
83	The Functional Programming Triad of Folding, Scanning and Iteration - A first example in Scala and Haskell	438
84	Game of Life - Polyglot FP - Haskell and Scala - Part 3	436
85	Left and Right Folds - Comparison of a mathematical definition and a programmatic one	402
86	Game of Life - Polyglot FP - Haskell and Scala - Part 2	399
87	Functional Effects - Part 1	381
88	Scala 3 by Example - Algebraic Data Types for Domain Driven Design - Part 2	377
89	Monoids - Part 1 - With examples using Scalaz and Cats	374
90	Sequence and Traverse - Part 3	371
91	Sequence and Traverse - Part 1	369
92	The Debt Metaphor - Ward Cunningham in his 2009 YouTube video	369
93	Sequence and Traverse - Part 2	356
94	Natural Transformations	351
95	Folding Cheat Sheet Series Titles	346
96	Functional Effects - Part 2	345
97	Monoids - Part 2 - With examples using Scalaz and Cats	344
98	State Monad	341
99	Writer Monad for logging execution of functions	336
100	Ad hoc Polymorphism using Type Classes and Cats	327
101	Monads do not Compose	196
102	Addendum to `Monads do not Compose`	187
103	Monad Transformers - Part 1	183
104	Functor Composition	172
105	Monad as Functor with pair of Natural Transformations	170
106	Function Composition - forward composition versus backward composition	169
107	De Morgan's Laws are Monoid Homomorphisms	156
108	Symmetry in the interrelation of flatMap/foldMap/traverse and flatten/fold/sequence	155
109	Year when lambda functions were introduced in various languages	151
110	Non-strict functions, bottom, and Scala by-name parameters	27