dotNet Miami - April 19, 2012: Horacio Nunez: Introduction to F#

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dotNet Miami - April 19, 2012: Presented by Horacio Nunez: In this talk we are going to learn the basics of programming with F# from Visual Studio 2010. After talking a bit about the genesis of F# we will go through some examples illustrating the functional ways of F# and how it aligns with the other citizens of the managed world. Among the F# features we will visit are High Order Functions, Pattern Matching and the Asynchronous workflows.

Tecnología

An Introduction to
F#

Horacio Nunez
{hnh12358@gmail.com, horatio.info}

What is F#?
F# Interactive
F# 101 (less than 10 minutes!)
Walkthrough: Functional
Numerical Matrixes
Online Resources

F# is multi-paradigm
programming language targeting
the .NET framework

functional
object oriented
imperative F#
language oriented

Immutable values and data types
(No State => No Shared Memory)

let x = 10
x = 10 //<!-- boolean

High Order Functions
(functions can be parameters and
results of other functions)

Type Inference
Think in C#’s var… everywhere

Declarative
Express the desired result, not the
step-by-step recipe

Lazy Evaluation
Use values only when you really
need it

Pattern Matching
The compiler “understands” types

Mutable values and data types
(State => Probable Shared Memory)

let mutable x = 10
x <- 10

F# can consume and create OOP
designs seamlessly

also…

F# becomes MSIL, hard
to read, but MSIL

F# is fully supported in Visual
Studio except for GUI Designers

What is F#?
F# Interactive
F# 101 (less than 10 minutes!)
Walkthrough: Functional
Numerical Matrixs
Online Resources

Functional Abstractions for
Numerical Matrixes

Have you ever tried to create a
Matrix of order Int32.MaxValue?

ONLINE RESOURCES

Don Syme’ Blog (F# Designer)
http://blogs.msdn.com/b/dsyme/

Tomas Petricek's’ Blog
http://tomasp.net/

ONLINE RESOURCES

F# Snippets
http://fssnip.net/

Channel 9
http://channel9.msdn.com/

StackOverflow
http://stackoverflow.com/

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dotNet Miami - April 19, 2012: Horacio Nunez: Introduction to F#

1. An Introduction to F# Horacio Nunez {hnh12358@gmail.com, horatio.info}

2. What is F#? F# Interactive F# 101 (less than 10 minutes!) Walkthrough: Functional Numerical Matrixes Online Resources

3. F# is multi-paradigm programming language targeting the .NET framework

4. functional object oriented imperative F# language oriented

5. Immutable values and data types (No State => No Shared Memory) let x = 10 x = 10 //<!-- boolean

6. High Order Functions (functions can be parameters and results of other functions)

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11. Imperative

12. Mutable values and data types (State => Probable Shared Memory) let mutable x = 10 x <- 10

13. Object Oriented

14. F# can consume and create OOP designs seamlessly

15. also… F# becomes MSIL, hard to read, but MSIL

16. F# is fully supported in Visual Studio except for GUI Designers

17. What is F#? F# Interactive F# 101 (less than 10 minutes!) Walkthrough: Functional Numerical Matrixs Online Resources

18. What is F#? F# Interactive F# 101 (less than 10 minutes!) Walkthrough: Functional Numerical Matrixs Online Resources

19. What is F#? F# Interactive F# 101 (less than 10 minutes!) Walkthrough: Functional Numerical Matrixs Online Resources

20. Functional Abstractions for Numerical Matrixes

21. Have you ever tried to create a Matrix of order Int32.MaxValue?

22. Out of Memory Exception!

23. What is F#? F# Interactive F# 101 (less than 10 minutes!) Walkthrough: Functional Numerical Matrixs Online Resources

24. ONLINE RESOURCES Don Syme’ Blog (F# Designer) http://blogs.msdn.com/b/dsyme/ Tomas Petricek's’ Blog http://tomasp.net/

25. ONLINE RESOURCES F# Snippets http://fssnip.net/ Channel 9 http://channel9.msdn.com/ StackOverflow http://stackoverflow.com/

Notas del editor

That’s a lot of responsibility for just one compiler!
That’s a lot of responsibility for just one compiler!
That’s a lot of responsibility for just one compiler!
That’s a lot of responsibility for just one compiler!

dotNet Miami - April 19, 2012: Horacio Nunez: Introduction to F#

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dotNet Miami - April 19, 2012: Horacio Nunez: Introduction to F#

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