#FSharp Primer

A look at F# from a pragmatic and practical point of view

This Presentation

This deck was prepared for the Ottawa Functional Programmers meetup in July 2016, as an introductory topic on F# and some of the better features, open source projects, and getting started.

Agenda

• History, Design, .NET Ecosystem
• Open Source / Community
• Language Features
• Short Static typing, Type Inference Demo
• The interesting language features
• Where it's used, next steps
• FsLab Demo
• FsReveal

Links in slides

• http://github.com/kellerd/Meetup-FSharp-Primer-Slides

• http://github.com/kellerd/FsLabTutorial

• http://github.com/kellerd/TicTacToeProvider

• https://FSharp.org - Installs for Windows/Linux/OSX

• For full Visual Studio, install FSharp Power Tools extension

• https://fsprojects.github.io/VisualFSharpPowerTools/

• For Visual Studio Code (lightweight free) or Atom, use Ionide extenion.

  • http://ionide.io/

• Community Projects https://fsprojects.github.io

• FSharp Weekly https://sergeytihon.wordpress.com/category/f-weekly/

• Community for F# https://C4FSharp.net

• FSharp For Fun and Profit https://fsharpforfunandprofit.com

• Domain driven design https://fsharpforfunandprofit.com/ddd/

• 26 Ways to use F# at work https://fsharpforfunandprofit.com/posts/low-risk-ways-to-use-fsharp-at-work/

• https://fpchat.com #fsharp-beginners, #fsharp, #clojure, #lang of choice

• https://sergeytihon.wordpress.com/2014/11/24/f-advent-calendar-in-english-2014/

• https://sergeytihon.wordpress.com/2015/10/25/f-advent-calendar-in-english-2015/

• http://fsharpworks.com/survey.html

• Phil Trelford Small Basic Parser*

This presentation was made using FsReveal, see below for more information.

FsReveal

FsReveal allows you to write beautiful slides in Markdown and brings F# to the reveal.js web presentation framework.

Features

• Write your slides in Markdown or .fsx files
• Automatically updates the browser in edit mode on every save
• Syntax highlighting for most programming languages including C#, F# and LaTeX, Haskell, Javascript, Clojure, Scala, ect?
• Speaker notes; Shows the current slide, next slide, elapsed time and current time
• Built in themes
• Horizontal and vertical slides
• Built in slide transitions using CSS 3D transforms
• Slide overview
• Works on mobile browsers. Swipe your way through the presentation.

Examples and a Getting started guide can be found in the docs.