Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Gene Belitski is writing a book: F# 4.0 Design Patterns
• New edition of F# Gazette is out
• Hack (PHP) introduced the |> operator
• Collection of F# RabbitMQ tutorials.
• The week in .NET – 5/3/2016

Videos/Presentations

• Fable: Beautiful F# to Javascript compilation with Alfonso Garcia-Caro PART2
• Akka.NET with F#: Getting functional with Reactive systems – Russ Cam
• Inteligencia Mecanica con Edgar Sanchez

Blogs

• Types from data: Making structured data first-class citizens in F# – Tomas Petricek, Gustavo Guerra, Don Syme
• Akka.NET Streams vs Hopac (vs AsyncSeq – sort of) -vaskir
• Let’s Make a Bayesian Deal – Jack Fox
• Introduction to Orleankka [Reentrant Actors] -Antya Dev
• Google Cloud Vision API (OAuth2 with ServiceAccount.json) – Sergey Tihon
• CPS fold — fold with early exit – David Raab
• C# and F# on the Mac with Mono – Conifer Productions
• CI with F# SQL Type Providers – Simon Timms
• Linear Regression from Scratch – David Crook
• Extract text from images in F# – OCR’ing receipts! – Kimserey Lam

F# vNext

• Visual F# Team needs help with an F# error message for an ‘if’ expression that is missing an else expression.
• Recently proposed ideas:
  • Seq.transpose
  • Add empty value into the String module
  • Support Tabs

Open source projects

https://twitter.com/dsyme/status/728629457154654210

• hlsl.typeprovider – F# type provider for HLSL shaders
• FsMap3 – A Function Library for Procedural 3-D Textures
• Endorphin.Core – Infrastructure for scientific instrument control in F#
• fsharp-data-processing-pipeline – Provides an extensible solution for creating Data Processing Pipelines in F#.
• AIFAD – Automated Induction of Functions over Algebraic Data Types

New Releases

• Fable 0.2.8 with special attributes
• Orleankka.Fsharp 0.21.0
• F# Data Toolbox (Sas) 0.15.0
• F# Data Toolbox (Twitter) 0.15.0
• FSharp.ViewModule 0.9.9.3
• New source code for Q Assoc Memory (QuAM) and Q Linear Systems Algebra (QLSA) is released
• FSharp.DataProcessingPipelines.Core 0.1.0
• FSharp.Version.Utils 0.2.1
• FSharp.FilePath.Utils 0.2.1
• FSharp.AssemblyVersion.Utils 0.2.1
• FSharp.FakeTargets 0.5.1

That’s all for now. Have a great week.

Previous F# Weekly edition – #17-#18

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• FSSF: 2016 Board of Trustees Elections
• Check out the results of F# survey 2016.
• Timeline of F# meetups around the world
• Functional Track talks from NDC London 2016
• F# eXchange 2017: Book by 22nd June and save up to 70%!
• Ionide: Make F# Interactive great again!
• Xamarin Studio 6.0: F# Enhancements
• F# is now available on CodeFights! JetBot will be released soon.
• Automatic differentiation lets you do DeepLearning with few lines of F# – Check out Hype
• Cross platform desktop development in F# with Electron+Fable
• Jetbrains employee on why Project Rider likely won’t support F#
• Haskell views is a language extension which offers similar capabilities like F# Active Patterns
• The F# Survival Guide
• Previews and Updates in Xamarin Studio, Xamarin for Visual Studio, and Workbooks
• The week in .NET – 4/19/2016
• The week in .NET – 4/27/2016

Videos/Presentations

• (Nearly) Everything You Ever Wanted to Know About F# Active Patterns but were Afraid to Ask – Paulmichael Blasucci (code)
• Unfrying Your Brain with F# – Andrea Magnorsky
• #51 Rachel Reese, F Sharp, microservices and Jet with Bryan Hogan
• Rachel Reese on The Good and Bad of Microservices (with F#)
• F# Advanced Topics – Jeremy Abbott
• Rise of Functional Programming Languages – Kunjan Dalal
• F*: Dependent types effects and the future of functional programming – Ahmad Salim Al-Sibahi
• Verified protocol implementations in F* – Alessandro Bruni

Blogs

• “Make failure great again” – a small journey into the F# compiler – Steffen Forkmann
• Try MBrace hassle-free with MBrace Minimal – Mathias Brandewinder
• F# versus C#: What are the differences? -felienne
• F# Exchange 2016 – Mark Gray
• Starting Xamarin Android application development with F# – Māris Krivtežs
• Options and Stocks charts in F# and JavaScript –
  Jan Fajfr
• Modularity from Lazy Evaluation – Richardson Extrapolation F# Example – Anthony Lloyd
• Get started with F# on Mac with VSCode and Ionide – Kimserey Lam
• Getting Started with F# on Linux and Mac OS X – Pierre-Luc Maheu
• Text Processing, Type Definition, I/O and Visualization in F# – Arnaldo Pérez Castaño
• Sending forms with Suave, Suave.DotLiquid and Suave.Forms – Vicenç García Altés
• EasyNetQ Advanced Bus from F# – William Berry
• Distributed Coordination with Zookeeper – Dave Curylo
• FSharp.Data.SqlClient Type Provider Not Finding Tables – Simon Timms
• The Unofficial F Sharp Learning Path -Kevin O’Shaughnessy
• Algebraic Data-Types – David Raab
• Asynchronous F# workflows in NancyFx – Dustin Moris Gorski
• F* vs F# – List.zip (compile vs runtime errors) – Ramón Soto Mathiesen
• Dynamic load balancing in F# – Tomasz Heimowski
• Modularity from Lazy Evaluation – Richardson Extrapolation F# Example – Anthony Lloyd
• Expressing Business Logic With F#’s Partial Active Patterns – Tamizh Vendan
• Using Kafka on OSX with an F# producer and consumer – Carsten Jørgensen
• A primer on manipulating data frame with Deedle in F# – Kimserey Lam
• F# – Monty Hall problem – Yan Cui
• Expressing Business Logic With F#’s Partial Active Patterns – Tamizh Vendan
• The Case for F Sharp – Kevin O’Shaughnessy
• Learning F# with Xamarin –  Jeff Heon
• Why F#? – Mårten Rånge

F# vNext

• What would a Data Science sku of VS look like?
• F# Support in .NET Native and UWP
• Improve error reporting
• WIP: POC of better F# support in Azure Functions
• WIP: Elm-like compiler errors for name resolution
• Removed navigation bar from VisualFsharp PowerTools
• Recently proposed ideas:
  • Allow [<DefaultValue>] on member val auto-properties
  • Add more split functions to List, Seq, and other collection modules
  • Add support for symbolic stacktraces in computation expressions
  • Update records to allow embeddable records

Open source projects

• higher – A lightweight library of abstractions for Higher-kinded programming in F#
• LibAAS – Another sample project showing event sourcing in F#
• fantomas – FSharp source code formatter
• azure-fsharp-helpers – A set of files which help provide better support for Azure with a number of F# projects.
• AkkaSftpWorkshop.Tasks – Tasks for workshop exploring use of Akka.NET and F# to implement FTP file distribution.
• Kaggle.HomeDepot – F# datascience code from the Home Deport Kaggle competition
• Imms – High Performance, Immutable Data Structures for .NET
• JoinCML – A research project to create an extension of CML with a join combinator.
• xlamx – Lambda calc stepper for mobile devices
• FSharp.Data.GraphQL – FSharp implementation of Facebook GraphQL query language

New Releases

• VisualFsharp PowerTools 2.4.1 with a bunch of improvements and fixes
• Ionide 1.6.3 for VS Code
• FSharp.Charting 0.90.14
• MathNet.Numerics.FSharp 3.11.1
• SwaggerProvider 0.5.1
• FSharp.Management 0.4.1
• FSharp.Control.Reactive 3.4.1
• Akka.FSharp 1.0.8
• Orleankka.Fsharp 0.15.0.0
• Spreads 0.4.2
• Persimmon 1.1.0
• Persimmon.Dried v2.0.1
• Fsharp-mode (20160427.848)
• FSharp.FakeTargets 0.5.0
• FSharp.Version.Utils 0.2.0
• FSharp.AssemblyVersion.Utils 0.2.0
• FSharpApiSearch 0.2.0-beta

That’s all for now. Have a great week.

Previous F# Weekly edition – #16

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• It’s Not Too Late to Catch the fsharpConf Action!
• The second annual F# survey has started! Please participate!
• IonideProject supports .Net Core for F#
• Visual Studio Code 1.0 is released!
• The week in .NET – 4/12/2016
• Building emulators in F#

Videos/Presentations

• Opening Keynote with Phil Trelford
• Using F# and genetic programming to play computer bridge – Felienne Hermans
• Turbo Charge your F# with Azure – Isaac Abraham
• Functional Architecture: the Pit of Success – Mark Seemann
• The F#orce Awakens – Evelina Gabasova
• Celebrating New Year’s Eve with F# and Suave – Tomas Petricek
• Paket 3 – Embracing git for dependency management – Steffen Forkmann (slides)
• Enterprise F# – Colin Bull
• Designing with Capabilities – Scott Wlaschin
• Building scientific experiments with F# – Anton Tcholakov
• DRAGON TREATS: ~ THE BLENDING OF THE PARADIGMS ~ – Ross McKinlay and Andrea Magnorsky
• Park Bench Panel Session Hosted by Don Syme
• Forge- F# CLI tooling paket fake forge f# – Krzysztof Cieślak
• Extracting useful information from your code repository – Vicenç Garcia-Altes
• F#, Azure and the Web – The best of Friends, with Isaac Abraham
• Functional webapplicaations using fsharp and suave – Tomas Jansson
• Fixing Real Life Problems From the Ivory Tower – Michael Newton (slides)
• Building scientific experiments with F# – Anton Tcholakov
• The Joy of Functional Exercises Quick Shot #2 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 40 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 41 – Ernest Pazera

Blogs

• Happy F# Day! Growing and getting better each year – Scott Wlaschin
• Async as surrogate IO – Mark Seemann
• Optionals – David Raab
• Arrays in F# – The Mutable collection – Amit Choudhary
• Getting started with F# – Jakub Jedryszek
• Functional error handling in F# by example – Leif Battermann
• Asynchronous F# workflows in NancyFx – Dustin Moris Gorski
• Recording and Slides for “7 Ineffective Coding Habits Many F# Programmers Don’t Have” – Yan Cui
• Applicative: Lists -David Raab
• Exercises in Programming Style–Map Reduce – Yan Cui
• Sequence and Traverse – David Raab
• Proxies in WebSharper, how, when, where! – Kimserey Lam
• Creating ClickOnce installers with native registration free COM objects (with Paket and F#AKE) – magicmonty
• An easy way to try FsShelter – Eugene Tolmachev

F# vNext

• F# Language Design RFCs
• Recently proposed ideas:
  • add isNotNull to FSharp.Core
  • Add feature to allow string literals to be separated into text files
  • support flexible types in type alias
  • Enable to use open in other scopes
  • Optionally specify file order by a fileorder.fsx (or fileorder.txt or fileorder.json) file
  • Allow printfn to support repeated arguments
  • Code expressiveness: Add loops with test condition in the middle

Open source projects

• pomodorowin – Pomodoro Timer that integrates with Lync
• mitls-fstar – TLS implemented in F*
• fszmq – An F# binding for the ZeroMQ distributed computing library
• BranchDocuments – Command line utility for saving and restoring Visual Studio document window layouts across different Git branches.
• FSharpApiSearch – F# API search engine

New Releases

• SQLProvider 1.0.0
• FSharp.SRGen.Build.Tasks 3.0.0
• RouteProvider 0.0.1-beta6 – Added Guid support
• FSharp.Core.Extra 0.1.62
• FSharp.Data.Toolbox.Sas 0.14
• FSharp.Data.Toolbox.Twitter 0.14
• FSharp.Core.Serialization 0.1.6
• Imms.FSharp 0.6.0
• FSharp.FakeTargets 0.1.0
• fsharp-mode (20160414.820) — F# mode for Emacs

That’s all for now. Have a great week.

Previous F# Weekly edition – #15

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# Software Foundation launched F# Speakers Program!
• Miguel de Icaza gives F# some reddit love #1 #2
• Check out new FsProjects status board!
• Coeffects: Context-aware programming languages
• SwaggerProvider is now a part of fsprojects family
• A faster and slicker Try WebSharper
• Functional Track talks from NDC London 2016
• Emacs F# mode now supports intellisense processes on remote hosts
• ASP .NET Core is allegedly 6x faster than node.js.
• ASP.NET Core – 2300% More Requests Served Per Second
• The week in .NET – 4/5/2016

Videos/Presentations

• From Community to Cloud with F# – Don Syme
• Designing with capabilities for fun and profit – Scott Wlaschin
• Deploying an F# Web Application with Suave – Tomas Petricek
• Dr Frankenfunctor and the Monadster – Scott Wlaschin
• Showcase 2/3 years old F# Codebase – Ramón Soto Mathiesen
• Grasshopper | Cycles | F# | Coding Session – Nathan Letwory
• The Joy of Functional GameDev Project 2 Episode 36 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 37 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 38 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 39 – Ernest Pazera

Blogs

• FsShelter: a Storm shell for F# – Eugene Tolmachev
• Hopac: Getting Started with Jobs – Marcus Griep
• Hosting Suave in the Azure App Service – Isaac Abraham
• The Elegant Code I Wish I Can Write In C# 7 – Dmitry Zinchenko
• Book review: Imperative to functional programming succintly
• Building a Poker Bot with Akka.NET Actors – Mikhail Shilkov
• Understanding bind – David Raab
• Creating F# lists with AutoFixture – Nikos Baxevanis
• Working with ALGLIB’s Random Decision Forests in F# – Taylor Wood
• From mutable loops to immutable folds – David Raab
• Exercises in Programming Style–Dataspaces – Yan Cui
• Sort, drag and drop in UI Next with Sortable – Kimserey Lam
• The Difference Between C# to F# Is a Scale of $20K – Michael Domingo
• Is History on Functional Programming’s Side? – Dan Mygind
• String manipulations in F# – Amit Choudhary
• Function composition and pipeline operator – Vicenç García Altés
• How to Daxif, delete all accounts (part 2) -Ramón Soto Mathiesen
• Closure-based State: F# -Ted Neward
• Introducing Paket’s caching feature – or how I fixed our broken builds -Steffen Forkmann
• Deploying Azure web applications with FAKE – Isaac Abraham

F# vNext

• Don Syme has been working on struct tuples and has submitted a PR for a prototype. Please take a look and comment
• Guide: Migrate fsproj To .NET CLI (netstandard1.5)
• Merged Coreclr support into FSharp Mainline
• Recently created F# Language Design RFCs:
  • F# RFC FS-1011 – Warn when recursive function is not tail-recursive
• Recently proposed ideas:
  • Handle null values in Records gracefully instead of crashing with a NRE
  • Implement implicit casts for yield
  • Add triple-questionmark not yet implemented operator (???) from Scala
  • Compiler directive for environment variables
  • Can we build a pre-processor so we don’t have to use the word: let ? Makes the function name standout and saves typing similar to R ?
  • Add the (..<), (>..) half-open range operators and (>..<) open range operator (from Swift)
  • Add the do .. while loops to the language (from Java, C, C++, C#)
  • Code clarity: Remove Object Pascal-style for … to|downto … do … loops from the language (from Swift)

Open source projects

• FsShelter – Author Apache Storm topologies with F# using statically-typed streams
• DependentTypesProvider – limited dependent typing via F# Type Provider
• dotnet-mergenupkg – Merge two nuget package dependencies
• KestrelFSharp -Demo of using Kestrel Http Server with F#
• kestrel-classic – Playing with .NET 4.6.1 and Kestrel

New Releases

• FAKE 4.24 with a couple of important bugfixes
• SwaggerProvider 0.4.0
• FSharp.Compiler.Service 3.0.0
• FSharp.Management 0.4.0 with Railway Oriented PowerShell Provider
• FSharp.Formatting 2.14.2
• Akka.FSharp 1.0.7
• FsYaml 2.1.0
• FusionTasks (F# 4.0) 0.5.7
• FSharp.Core.Extra 0.1.61
• fsharp-mode (20160406.1437) — F# mode for Emacs
• Bizmonger.ActivePatterns 1.0.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #14

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• New C# and VB features in Visual Studio 2015 Update 2 & VS 15
• .NET at Build 2016 – Open, Cross-platform and FREE
• .NET Fringe conference is coming back: 10 – 12 July, Portland OR
• New book: Mastering .NET Machine Learning from Jamie Dixon
• F# Gazette is out now!
• Mono has been relicensed under the MIT license
• The week in .NET – 3/29/2016
• Microsoft Bot Framework was announced (check out F#+Suave demo)
• Visual Studio “15” Preview Now Available
• Visual Studio “15” Preview What’s New
• Azure Functions preview is available: New Azure service for serverless compute (like AWS Lambda)
• Introducing Azure Functions
• New Azure Functions has support for F# jobs
• Mobile App Development made easy with Visual Studio and Xamarin
• Xamarin for Everyone
• Free ebook: Creating Mobile Apps with Xamarin.Forms

Videos/Presentations

• Getting Started with F# on .NET Core – David Stephens
• The Future of .NET Languages – Dustin Campbell, Anthony D. Green, Seth Juarez, David Stephens, Mads Torgersen
• .NET Overview – Scott Hanselman, Scott Hunter
• The Future of C# – Dustin Campbell, Mads Torgersen
• Beyond Lists – Phillip Trelford
• Functional Architecture – Mark Seemann
• Microservices Chaos Testing at Jet – Rachel Reese
• A Board Game Night with Geeks – Felienne Hermans
• Spice up your website with Machine Learning! – Evelina Gabasova
• Delegate: Showcase 2/3 years old F# Codebase – Ramón Soto Mathiesen
• Polyglot data science the force awakens with F#, R and D3.js – Evelina Gabasova & Tomas Petricek
• F# in the real world (CodeMotion Dubai) –  Yan Cui
• Patterns and practices for real-world event-driven microservices – Rachel Reese
• The Joy of Functional GameDev Project 2 Episode 34 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 35 – Ernest Pazera
• The Joy of Functional GameDev Quick Shot #1: Guess My Number – Ernest Pazera

Blogs

• Silverlight Resurrection – Phillip Trelford
• Making program behaviour explicit – Pierre Irrmann
• A Premier League team will win the Champions League this year – Vicenç García-Altés
• Introducing Paket’s caching feature – or how I fixed our broken builds – Steffen Forkmann
• F# has a Great Community (and a Ton of Paket Fans) – Michael Szul
• Expanding Existing Computational Expressions – Michael Newton
• Chiron: Easier with Computation Expressions – Marcus Griep
• Understanding map – David Raab
• Image processing with comonads and phantom types – Hodza Nassredin
• Singleton Implementation: F# – Ted Neward
• Type Satety for Numerics in F# Using Units of Measure – Pierre-Luc Maheu
• Getting started with writing F# code – Amit Choudhary
• Exercises in Programming Style in F# – Actors – Yan Cui
• F# – Functors with Record Types (now with map) – Ramón Soto Mathiesen
• Var, View, Lens, ListModel in UI.Next – Kimserey Lam
• Printing and formatting outputs in F# – Amit Choudhary
• Function composition and pipeline operator – Vicenç García-Altés

F# vNext

• New working version 1.0.0-beta-002071 for .Net CLI and F#.
• Recently proposed ideas:
  • Add a “with” syntax for patterns

Open source projects

• docopt.fs – F# port of docopt
• hermes – a simple and opinionated release notes generator using Octokit.NET and F#
• generator-fsharp-kata – Yeoman generator for FSharp kata
• fsyaml – Typed Yaml Library for F#
• FSharp.Control.FusionTasks – F# Async computation <–> .NET Task easy seamless interoperability library.
• funcy – This is the insignificant one of the numberless functional libraries for C#/VB
• xamarin-monodevelop-fsharp-addin – F# Editing Support In MonoDevelop and Xamarin Studio
• Camel.Net – F# DSL for Enterprise Integration Patterns

New Releases

• SwaggerProvider 0.3.6
• Logibit.Hawk v3.0.3
• FSharp.Control.AsyncSeq 2.0.8
• FSharp.Compiler.CodeDom.dll 1.0.0.1
• FSharp.Compiler.Service 2.0.0.8
• FSharp.Compiler.Service.ProjectCracker 2.0.0.8
• FSharp.Core.Extra 0.1.58
• Paket 2.57.1
• RouteProvider 0.0.1-beta5
• FSharp.QueryProvider 1.0.6
• LanguageExt.FSharp 1.7.38

That’s all for now. Have a great week.

Previous F# Weekly edition – #13

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What is the burning question for the future of .NET / Core CLR / Mono today?
• What would make an epic and awesome functional programming / F# side track for you?
• New docker image is created with the latest Visual F# 1.0.0-alpha-160318 and .NET Core cli build
• Vote here if you would like to see F# to JS compiler that uses TypeScript.
• Suave may support live reload of F# code!
• MahApps.Metro uses Paket.
• You can now rate and review extensions on VS Code marketplace
• “… F#, an open-source language that’s commonly used to create JavaScript code“
• Microsoft Build 2016 sessions are now listed.
• The week in .NET – 3/22/2016

Videos/Presentations

• History and Philosophy of types (Lambda Days 2016) – Tomas Petricek
• A brief history of programming languages (Lambda Days 2016) – Andrea Magnorsky
• F#, Azure and the Web – the best of friends with Isaac Abraham
• Functional Reactive Programming with NUI, Part 2 – Riccardo Terrell
• Функциональное программирование на F# в обработке больших данных и машинном обучении – Дмитрий Сошников
• The Joy of Functional GameDev Project 2 Episode 30 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 31 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 32 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 33 – Ernest Pazera

Blogs

• Creating VS Code plugins with F# and Fable – Krzysztof Cieślak
• Kaggle Home Depot competition notes: features – Mathias Brandewinder
• Capture Video in 2 Lines of Code – Boris Kogan
• Sentiment Analysis in F# – Stephen Ireland
• Property based testing in the real world – or how I made my package manager suck less – Steffen Forkmann
• A Sneak Preview of #fsharpX 2016 – @Felienne
• Exercises in Programming Style–Spreadsheet – Yan Cui
• Exercises in Programming Style–Lazy Rivers – Yan Cui
• Functional Actor Patterns with Akka.NET and F# – Mikhail Shilkov
• Avoiding Silly Mistakes with F# Unit of Measure – Mark Heath
• Simulating microservices using F# and Suave.io – Michal Franc
• Sentiment Analysis in F# – Steve Ireland
• A Performance Comparison of Alea GPU C# and CUDA C++ – Daniel Egloff
• Which is the fastest unicorn so far? – Edgar Sánchez
• How WebSharper.Warp works behind the scene – Kimserey Lam
• How to Daxif, delete all accounts (part 1) – Ramón Soto Mathiesen
• Hack your commit history for fun and profit – Yan Cui
• F# – Functors with Record Types – Ramón Soto Mathiesen
• Is it time to learn F#? – Liam Mclennan
• Writing efficient and reliable code with F# Type Providers – Leif Battermann
• Introduction to Functional Programming and FSharp for CSharp developers – Amit Choudhary
• F# – LeftPad (Updated) – Ramón Soto Mathiesen
• ThoughtWorks Technology Radar: Assess F# – Edgar Sánchez
• Dockerizing Suave Music Store on mono – Tomasz Heimowski
• Static vs. Dynamic Functional Languages – Sami Badawi

F# vNext

• Recently proposed ideas:
  • Add (^%) f = f to core library
  • Add (binary) search function to Map and Set
  • Code clarity: Dot notation for casting objects to interfaces

Open source projects

• Fakta – A Consul + Vault F# library
• generator-suave-microservice – Yeoman generator for Suave (Micro)Services.
• ServiceFabricSuaveStateful – Sample of stateful and stateless Service Fabric services with Suave and NetMQ
• Infers – A library for deriving F# values from their types and, in a way, a direct application of the Curry-Howard correspondence aka Propositions as Types.
• Logibit.Hawk – An F# Hawk implementation with a strongly typed API that guides your usage and minimises security programming errors.
• fsharp-demonstrator – A sample server-side web app with support to run in the Azure App Service
• hype – Compositional Machine Learning and Hyperparameter Optimization

New Releases

• Fable beta (F# to JS compiler) has been released to npm
• LanguageExt.FSharp 1.7.30
• Prime 1.4.0
• Nu Game Engine v1.7
• NLog.FSharp 4.2.3
• Extreme Optimization Numerical Libraries for .NET v6.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #12

Do not miss the chance to visit F# eXchange 2016 to hear about latest news from F# world and meet with F# Legends: Don Syme, Andrew Cherry, Felienne Hermans, Michael Newton, Vicenç Garcia-Altes , Krzysztof Cieślak, Mark Seemann, Evelina Gabasova, Tomas Petricek, Steffen Forkmann, Colin Bull, Scott Wlaschin, Anton Tcholakov, Ross McKinlay, Andrea Magnorsky and others.

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# is #1 Top Paying Tech Worldwide (and most loved .NET language)!
• If you have F# on your resume, you’re in a good position for higher pay
• Jet.com riding F# is the fastest unicorn that was able to rise 1B in 4 month!
• New Pluralsight course from Liam McLennan: F# Fundamentals (The section on FParsec was a nice bonus)
• F# courses at Pluralsight are very well rated
• This is happening: debugging node apps in F#!
• The week in .NET – 3/15/2016
• New release of Ionide for VS Code. Supporting rename and finding references across multiple projects.
• How would you like to create React HTML elements in Fable?
• Open Sourcing the Visual Studio Productivity Power Tools

Videos/Presentations

• Building Reactive Services Using Functional Programming – Rachel Reese
• NET Machine Learning: F# and Accord.NET – Alena Hall
• Functional Reactive Programming with NUI – Riccardo Terrell
• WebSharper LiveData Enabling Modular Persistence for Reactive Data Models in F# Client-Server Web Applications – Loic Denuziere
• Coding f#un – Mike Harris
• Recording and Slides for F# DSLs talk at F# |> Bristol – Yan Cui
• The Joy of Functional GameDev Project 2 Episode 27 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 28 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 29 – Ernest Pazera

Blogs

• GPUs and DSLs for Life Insurance Modeling – Peter Sestoft
• Earthquake scrapping with a type provider – Edgar Sánchez
• Functional architecture is Ports and Adapters – Mark Seemann
• Prototyping web app made easy with WebSharper Warp – Kimserey Lam
• An F# rewrite of a fully refactored C# Clean Code example – Functional Software .NET
• F# syntax highlighting dark-theme coloring scheme for VS-2015 with Visual F# Power Tools – Functional Software .NET
• Moving the BPN logic from C# to F# [Desiderius part #13] – Felienne

F# vNext

• Recently created F# Language Design RFCs:
  • F# RFC FS-1010 – Add Map.count
• Recently proposed ideas:
  • Inlined default argument values
  • custom set the ‘last defined’
  • allow defining function with generic type parameter within another function
  • Add constraints to match FSharpType.Is* predicates

Open source projects

• MessageRouter – A CQRS (Event-driven) message router in F#
• Conductor – Composable data validation for F#
• YoutrackGitlab – A bridge which posts comments created on commits in Gitlab to Youtrack using webhooks
• FSharp.AWS.DynamoDB – F# wrapper API for AWS DynamoDB
• Hornbill – Easily create fake HTTP endpoints for integration testing

New Releases

• Paket 2.53 with lots of bug fixes, C++ support is getting better.

That’s all for now. Have a great week.

Previous F# Weekly edition – #11

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F#TV Gazette February edition (Sign up here for early access to the gazette)
• Join the F#ools’ Day Party and destroy the myth that “F# is for Math and Science”!
• Meet FsUnitTyped for NUnit – statically typed operators for your unit tests. Please try it and share your thoughts!
• New F# REPL is coming (2).
• New F# Book: F# for Machine Learning Essentials
• Chapter 4 (State machines) of Reactive Applications with Akka.Net is now available through MEAP
• Beta: Start Programming With F# Today
• FSharp.Data.SqlClient TypeProvider now uses statically parameterized methods
• Lot of new up-for-grabs issues in fsprojects/Forge
• The week in .NET – 3/8/2016

Videos/Presentations

• Path to F# and NGO Fraudbuster with Jacqueline Homan
• F# with .NET Core and CLI with Enrico Sada
• On .NET 3/3/2016 – Rachel Reese on F# at Jet.com
• The Joy of Functional GameDev Project 2 Episode 25 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 26 – Ernest Pazera

Blogs

• Type Provider Pro-Tip: Using Dictionary – Michael Newton
• Converting a DSL to Executable F# Code On-the-Fly, Part 2 – Mathias Brandewinder
• Building Emulators in F# – Dave Thomas
• Events for Distributed Real-Time Computation –  Kaitlynn Reid
• Why F#? – Karthik Chintala
• GPUs and Domain Specific Languages for Life Insurance Modeling – Daniel Egloff
• Sneak preview of upcoming AleaGPU version 3 – Daniel Egloff
• Cross-platform F# developers get a dose of Ionide – Paul Krill
• Create forms with Websharper.Forms -Kimserey Lam
• How to Daxif, plug-in synchronization (technical stuff) – Ramón Soto Mathiesen
• Playing in F# [Desiderius part 11] –  felienne

F# vNext

• Created F# Language Design RFCs:
  • F# RFC FS-1009 – Allow mutually referential types and modules over larger scopes within files
• Recently proposed ideas:
  • add a keyword for module-local construction but public deconstruction of types
  • Support partial record prototypes
  • Code clarity: Make syntax for sequence expressions as simple as syntax for lists
  • Code clarity: To change the default value returned by function Unchecked.defaultof<string> to “” from null
  • Make Set.count O(1)
  • Add Map.count
  • Allow record inheritance / multiple “inheritance”
  • Allow overloads of custom keywords in computation expressions
  • Allow record types to implement interfaces just by adding the interface name when compatible
  • allow use to not bind the expression to a name
  • Hide Obsolete warnings on record initializer not using the obsolete field.

Open source projects

• FSharp.Core.Fluent – A collection of inlined methods allowing fluent access to all FSharp.Core functions for List, Array, Array2D, Array3D, Seq, Event and Observable.
• Prime – An F# code library for hardcore pure functional programming, and much more
• Bugfree.SharePoint.Analyzer – Projects SharePoint’s hierarchical metadata model onto a relational one for fast exploratory queries.
• FsActorApp – Serivce Fabric Reliable Actors in Fsharp

New Releases

• FsUnit 2.1.0 is out with support of NUnit 3.2 and pretty-print of F# value types
• ExcelFinancialFunctions 2.3.1 (portable version)
• FSharp.Core.Extra 0.1.52

That’s all for now. Have a great week.

Previous F# Weekly edition – #10

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• The week in .NET – 3/1/2016
• The NDCOslo agenda has been published
• F# eXchange 2016 is coming (15th April)

fsharpConf 2016 Videos

• Welcome to fsharpConf – Don Syme & Tomas Petricek
• The F#orce Awakens – Evelina Gabasova
• Patterns and Practices for Real-World Event-Driven Microservices – Rachel Reese
• DEMO: Fun and Games with F# – Sean Trelford
• The 3D Geometry of Louvre Abu Dhabi – Goswin Rothenthal
• Types + Properties = Software – Mark Seemann
• DEMO: Ionide & Cross-platform F# Tools – Krzysztof Cieslak
• F# Microservices with Logging, Tracing and More on Docker – Henrik Feldt
• Web UI Automation with F# and canopy – Chris Holt
• INTERVIEW: Using F# at Jet.com – Rachel Reese
• Android Watch Gesture Recognition with ‘Functional’ State Machines – Faisal Waris
• Cassandra, Docker and F# Awesomeness – Alena Hall
• INTERVIEW: F# Community in Japan – Yukitoshi Suzuki
• A Boardgame Night with Geeks – Felienne Hermans
• Q&A with the F# Team and Community – David Stephens & Tomas Petricek

Videos/Presentations

• Code Review/Refactor Live with Scott Wlaschin
• Taming Cloud Complexity with F# DSLs with Yan Cui

Blogs

• Type Providers Live – the Movie – Michael Newton
• Server MVC and Solving the Wrong Problem – Ryan Riley
• Parallelizing algorithms with the Actor Model – Juan M Gómez
• Exercises in Programming Style–Declared Intentions – Yan Cui
• Using SignalR in FSharp without Dynamic – Dave Shaw
• Building a Poker Bot: Mouse Movements – Mikhail Shilkov
• Exercises in Programming Style–Quarantine – Yan Cui
• Ad-hoc Arbitraries – now with pipes – Mark Seemann
• Create an animated menu with WebSharper.UI.Next – Kimserey Lam
• Using Node.js and NPM with Paket and FAKE – Krzysztof Cieslak
• Working With ProjectScaffold : 0 – Introduction – John Azariah
• How to Daxif, plug-in synchronization – Ramón Soto Mathiesen
• MSCRM and OData from ConsoleApp/Script without annoying web login form – Ramón Soto Mathiesen
• Tracking Apple Pencil angles and pressure with Xamarin – larry
• Learning F#: The Game of Life – Scott Nimrod
• Installing F# – Karthik Chintala
• GPUs and Domain Specific Languages for Life Insurance Modeling – Daniel Egloff
• Type Provider Pro-Tip: Using Dictionary – Michael Newton
• Managing RabbitMQ messages with F# and Akka.NET – Erlend Wiig

F# vNext

• Created F# Language Design RFCs:
  • F# RFC FS-1001 – String Interpolation
  • F# RFC FS-1002 – Cartesian product function for collections
  • F# RFC FS-1003 – nameof Operator
  • F# RFC FS-1004 – Result type
  • F# RFC FS-0005 – Underscore Literals
  • F# RFC FS-0006 – Struct Tuples and Interop with C# 7.0 Tuples
  • F# RFC FS-1007 – Additional Option module functions
  • F# RFC FS-0008 – Struct Records
• Recently proposed ideas:
  • Make tuple defined DU cases more consistent with tuple
  • Add units of measure for standard type aliases
  • Code succinctness: Relax syntax rules for the else branch of an if expression (from Ada 2012)
  • Allow generic type constraints for union and record
  • Code robustness: Range of admissible values for class fields and record fields (from Ada 2012)
  • Code robustness: Types with ranges of admissible values (from Ada 2012)
  • Types with default initial values specified (from Ada 2012)
  • Types with predicates to create subtypes easily (from Ada 2012)
  • Allow basic integer numeric type names in a for loop (from Ada 2012)
  • Allow enumeration type names and discriminated union type names in a for loop (from Ada 2012)
  • Use the in keyword and “|” symbol for membership tests and better readability (from Ada 2012)
  • Inline Record Definition in Discriminated Unions
  • Allow flexible types in default constructor constraint
  • Allow more flexible layout for constraint syntax
  • Add a shorthand/literal syntax for creating Maps
  • Allow function names to end with a question mark.
  • Improve Discriminated Union Type Inference
  • #r #load via fsi method
  • Map keys <–> set compatibility
  • Add Polymorphic Variants (ad-hoc Discriminated Unions)

Open source projects

• bedbrebo – Domain Driven Design – CQRS – Event Sourcing Workshop
• FSharp.SSEClient – Server-Sent Events Client
• cyoa – Choose Your Own Adventure type provider
• fsharp-swapi – F# wrapper for the Star Wars API

New Releases

• FSharp.Data.SqlClient 1.8.1
• FSharp.Configuration 0.5.12
• FSharp.SRGen.Build.Tasks 2.0.1
• FAKE 4.21 comes with helpers for Slack, SonarQube and Chocolatey (and fix for NuGet)
• FSharp.Core.Extra 0.1.47
• Yaaf.FSharp.Helper 0.2.0
• FAKE.Persimmon 1.0.4
• Prime – An F# primitives library. 1.1.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #9