1. How to Not Write a For Loop and other stories Ivan Towlson Mindscape

2. Erik Meijer Confessions of a Used Programming Language Salesman “Functional programming has finally reached the masses, except that it is called Visual Basic 9 instead of Haskell 98.”

3. Mads Torgersen Foreword to Petricek, Real World Functional Programming “Functional programming is a state of mind.”

4. Free your mind and your programs will follow with apologies to Funkadelic

8. It’s a functional world, Codemaniacs. Let’s go exploring! with apologies to Bill Watterson

9. What is the value of a conditional? Control constructs

10. What is the value of a for loop? Control constructs

11. A A

12. M M

13. F F

14. E E

15. M M F F A A

16. Tony Hoare’s billion-dollar mistake null

17. Generalising conditionals Programming by cases

18. Statements  expressions Loops  filter / map / expand / fold Cases  pattern matching Imperative mind, functional mind

19. Statements  expressions Imperative mind, functional mind

20. What are the steps to carry out the calculation?

21. What is the value of the calculation?

22. Statements  expressions Loops  filter / map / expand / fold Cases  pattern matching Imperative mind, functional mind

23. Composable Self-documenting Calling out similarities Calling out differences Imperative mind, functional mind

24. Petricek, “Real World Functional Programming in F# and C#” (Manning) FSharpx project (GitHub) Resources

25. Thanks! Ivan Towlson ivan@mindscape.co.nz http://mindscapehq.com/blog/ ivan@hestia.cc http://hestia.typepad.com/flatlander/