Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET Core declared LTS!
• Bing.com runs on .NET Core 2.1!
• Book: Imperative to Functional Programming Succinctly by Marc Clifton
• Book: Rider Succinctly by Dmitri Nesteruk
• This fall the F# Software Foundation Mentorship Program returns in its 5th round!
• Upcoming SAFE events calendar
• Rider 2018.2 is released

Videos

• Domain Modeling Made Functional – Scott Wlaschin

https://twitter.com/dsyme/status/1032661810896429057

Blogs

• Monitoring and Observability in the .NET Runtime – Matt Warren
• Abstracting IO using F# – James Novino
• SAFE Part 2: Delete – Christophe Moinard
• Microsoft Announces F# 4.5 – Abhay Dixit
• Types are Small – Chris Krycho
• DAG – An Immutable Spreadsheet Data Structure – Anthony Lloyd
• Stupid F#: Taking JSON to the SPA 3 – Daniel Markham
• Playing with Fable and the SAFE Stack – Dave Shaw

F# vNext

• New ideas:
  • Make it illegal to pass a temporary ref-cell as byref

Open source projects

• fsprojects/awesome-fsharp – A curated list of awesome F# frameworks, libraries, software and resources.
• DieselMeister/MyCryptoPortfolio – Manages your crypto portfolio on your phone. Written in F#, Xamarin and Xamarin.Elmish.
• lukemerrett/FluentGraphite – Fluent API for building Graphite Queries

New Releases

• F# Helpers for VSTS
• Legivel 0.2.1
• Infer.NET v2.7

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

Previous F# Weekly edition – #33, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# 4.5
• Visual Studio 2017 version 15.8
• .NET Core SDK 2.1.400 Update
• Rider 2018.2 Release Candidate

Videos

• Immutable application deployments with F# Make – Nikolai Norman Andersen

Blogs

• Building WebComponents with Fable – Elmish – React – Daniel Hardt
• F# – A trading strategy backtester #1 – Franco Tiveron
• The Page Module Model with F# and Canopy – Devon Burriss
• Building an MVP with F# and Saturn – Krzysztof Cieślak
• Stupid F#: Taking JSON to the SPA 2 – Daniel Markham
• How to create a .NET Core F# application and generate executables for multiple operating systems – Paul Silisteanu
• Give me Monsters! (Part 4) – Mathias Brandewinder
• Creating a Slack bot with F# and Suave in less than 5 minutes – Dustin Moris Gorski
• Introduction to Data Science using F# and Azure Notebooks – Lee Stott
• F# 4.5 Arrives with Span Support, Aligning with .NET Core 2.1 – David Ramel

F# vNext

• FSC – 15.8 – Not ngen’ed
• Where should F# and FSharp.Core release notes live?
• New ideas:
  • Add Async.withCancellation
  • Allow attributes for discriminated union case fields

https://twitter.com/CarstenK_Dev/status/1030029139003289600

Open source projects

• TimLariviere/ElmishContacts – Sample contact manager app entirely written in F# and Elmish.XamarinForms
• mrakgr/The-Spiral-Language – Functional language with intensional polymorphism and first-class staging.
• ilmaestro/FsLamp – An F# Text Adventure game engine.

New Releases

• Expecto v8.2.2
• VS Code July 2018 (version 1.26)
• FusionTasks 2.0.2
• Giraffe 2.0
• FsConfig 2.0.2

 

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

Previous F# Weekly edition – #32, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing ML.NET 0.4
• Play Pacman in new Fable REPL
• SAFE Events page
• fsharp.org re-design: we need your input!
• Are your Windows Forms and WPF applications ready for .NET Core 3.0?

Videos

• Rethinking Compilers With Live Coding – Tomas Petricek
• Actors in clusters: why, when and how – Pawel Banka, Vagif Abilov
• The F# Path To Relaxation – Don Syme
• Tic-Tac-Toe in F# – Michael Gilliland
• IO Monad For Pure Code (Tic-Tac-Toe in F#) – Michael Gilliland
• Easy Tic-Tac-Toe “AI” in F# – Michael Gilliland

Blogs

• Opinionated Fable2 – Architecture & Performance – ‏Kunjan Dalal
• Stupid F#: Taking JSON to the SPA 1 – Daniel Markham
• F# 4.5 Brings Spans, Match!, and More – InfoQ by Sergio De Simone
• Pure times – Mark Seemann
• A Tree functor – Mark Seemann
• Challenges of post-OSS world – Krzysztof Cieślak

F# vNext

• Nullable Reference Types
• Where should F# and FSharp.Core release notes live?
• Collectible Assemblies and the CLR is planned for .NET Core 3.0.

Open source projects

• rflechner/SwaggerForFsharp – Swagger for F# tools
• stijnmoreels/FSec – Security testing library written in F# to make writing security tests more fun
• Amyris/AmyrisBio – Amyris F# Computational Biology Library
• chimayo/chimayo – Library for creating and manipulating SQL Server Integration Services packages with F# code

If you want to document an API built in #fsharp and Giraffe then you can try github.com/rflechner/Swag… https://t.co/jmYUgGUw1k—
Flechner Romain (@rflechner) August 06, 2018

New Releases

• Deedle 2.0.0-beta01 and Deedle.Excel 2.0.0-beta01 (netstandard2.0 support)
• ML .NET 0.4
• WebSharper 4.5

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

Previous F# Weekly edition – #31, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Introducing Fable 2.0 beta
• Tiered Compilation Preview in .NET Core 2.1
• Open Source Community Powers New F# 4.5 Preview
• Is Microsoft serious about F#?
• F# Active pattern library for Roslyn Compiler Platform (C#, VB)

https://twitter.com/c4fsharp/status/1025356744334168067

Blogs

• Using OAuth with Saturn – Krzysztof Cieślak
• Opinionated Fable – Architecture & Performance – Kunjan Dalal
• Give me Monsters! (Part 3) – Mathias Brandewinder
• Why you should use FAKE 5 – Tomasz Heimowski
• How I Use VS Code for Code Highlighting in My Blog – Stuart Lang
• Managed vs Unmanaged code and interop – Michal Franc
• Hosting services in .NET Core console application – Peter Groenewegen

Open source projects

• nojaf/elmish-component – dotnet template for scaffolding Elmish component.
• Zaid-Ajaj/Elmish.SweetAlert – SweetAlert integration for Fable, made with ❤️ to work in Elmish apps.
• kekyo/Microsoft.CodeAnalysis.ActivePatterns – F# Active pattern library for Roslyn Compiler Platform (C#, VB)
• mastoj/Fable.Import.Firebase – Bindings for firebase.

New Releases

• WebSharper 4.4.1
• Ionide with new tooltips
• New release of Html to Elmish
• FsUnit 3.2.0

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

Previous F# Weekly edition – #30, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# 4.5 Preview
• Visual Studio 2017 version 15.8 Preview 5
• Discussion: MVU architecture gives feedbak loop when UpdateSourceTrigger=PropertyChanged and update loop is sufficiently slow
• Chiron 7 vs Newtonsoft on netcoreapp2.0

Videos & Slides

• Why you should use F# – Phillip Carter
• The Power of Composition – Scott Wlaschin
• Build your own Excel 365 in an hour with F# – Tomas Petricek
• Reinventing MVC pattern for web programming with F# – Krzysztof Cieślak
• Tabs, spaces and salaries: a data science detective story – Evelina Gabasova
• WTF# is the SAFE Stack? – Stachu Korick & Isaac Abraham
• F# Live Coding with Mihai-Sorin Mecu

Blogs

• Introducing Saturn on Functions – Krzysztof Cieslak
• Understanding Suave In F# Using Integers – Zaid Ajaj
• Current state of Web Programming in F# – Kunjan Dalal
• Elmish on the server — Introducing Elmish.Bridge – Diego Esmerio
• Give me Monsters! (Part 1) – Mathias Brandewinder
• Give me Monsters! (Part 2) – Mathias Brandewinder
• But Will It Play In Peoria? (Running F# as a Plain Vanilla CGI app) – Daniel Markham
• But Will It Play In Peoria? Part 2 (Running F# as a Plain Vanilla CGI app) – Daniel Markham
• Xsd type provider and nillable elements – Giacomo Citi
• Selected Elements – Сhen Сhinghua
• Recursion — How to overflow the stack and how not to – Vijesh Salian
• checkboxes with Suave.IO, using dotliquid tamplates – Tonino Lucca
• Pattern Matching F# Union Types in C# 7 – Stuart Lang

Open source projects

• kunjee17/functional-cat – Cat API using Elmish.XamarinForm
• Zaid-Ajaj/tabula-rasa – Minimalistic real-worldish blogging platform, written entirely in F#, made as a learning a reference for building large Elmish apps
• Nhowka/Elmish.Bridge – Create client-server Fable-Elmish apps keeping a single mindset
• Dzoukr/OpenAPITypeProvider – F# type provider for Open API specification
• stijnmoreels/FSec – Security testing library written in F# to make writing security tests more fun

New Releases

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

Previous F# Weekly edition – #29, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Saturn landing page is live!
• ts2fable online version is now available!
• fsharp.org website re-design: we need your input!
• Probabilistic programming in python, R & F#
• Elmish.XamarinForms Guide
• Notes and Guidance on FSharp.Core
• .NET Core Code Coverage as a Global Tool with coverlet
• Announcing .NET Framework 4.8 Early Access build 3632

Videos & Slides

• Building mobile apps with F# using Xamarin – Jim Bennett – Xamarin University Guest Lecture
• LiveUpdate with Elmish.XamarinForms – Jim Bennett
• Writing a 15-Minute F# Talk in 4 Hours, Part 1 – Stachu Korick
• A gentle introduction to F# – Klaras Parlor by Roman Sachse
  • Episode 9 – Currying
  • Episode 10 – Options

Blogs

• Magic of Saturn controllers – Krzysztof Cieslak
• Code Prediction with Neural Networks – Frank A. Krueger
• F# in 2018? – Roman Provazník
• The #FSharp way: how to write a log – giuliohome
• Elmish’s program.mkSimple versus program.mkProgram – Joshua Harms
• Selected Elements – chenchinghua
• Recursion — How to overflow the stack and how not to – Vijesh Salian
• Programming In F# Like A Stupid Person – Tiny Giant Books
• Donkey-Pong using Xamarin – Sandeep Chandra
• checkboxes with Suave.IO, using dotliquid tamplates – Tonino Lucca

F# vNext:

• Zebra merged into TechEmpower/FrameworkBenchmarks
• Plan for updating FsLab

Open source projects

• Acadian-Ambulance/vinyl-ui – Framework for F# Desktop Applications

https://twitter.com/dsyme/status/1019998332876451841

New Releases

• Akkling v0.9.3
• Rider 2018.2 EAP4 (dotCover is finally part of Rider)

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

Owl image is taken from findmesomewifi.com

Previous F# Weekly edition – #28, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Elmish Tutorial
• JetTechnology’s blog is up!
• Announcing ML.NET  0.3
• System.IO.Pipelines: High performance IO in .NET
• .NET Framework 4.7.2 is available on Windows Update, WSUS and MU Catalog
• IL Linker — Help us build the best experience!

Videos & Slides

• TechDays 2017 – Bart de Smet – Writing High Performance Code in .NET
• A gentle introduction to F# – Klaras Parlor by Roman Sachse
  • Episode 1 – Intro, Values, Value Bindings, REPL
  • Episode 2 – Functions
  • Episode 3 – Function Composition
  • Episode 4 – Expressions, If/Else, Pipes
  • Episode 5 – Lists, List Functions, Lambdas
  • Episode 6 – Discriminated Unions, Pattern Matching
  • Episode 7 – Recursion, Discriminated Unions Part 2
  • Episode 8 – Records

Blogs

• Racing the Zebra — Benchmark Performance Architecture for F# Web Server – Gerard
• Presentations and Talks covering ‘.NET Internals’ – Matt Warren
• Donkey-Pong – Sandeep Chandra
• Donkey-Pong using Xamarin – Sandeep Chandra
• Create JavaScript libraries from your C# or F# code – András Jankó
• Failure Is Not An Option (In F#) – Daniel Markham
• The #FSharp way: how to write a log – giuliohome
• Teachers Of Functional Programming: Stop Driving Me Crazy With Math Problems! – Daniel Markham

F# vNext:

• What are your thoughts on paying your bills vs. supporting open source?
• The official F# docker images are now published with arm32v7 and arm64v8 support in addition to the existing amd64!
• New ideas:
  • Provide a way for C#/.NET to use records’ copy-and-update functionality

Open source projects

• teo-tsirpanis/Farkle – A LALR parser for F# (and other .NET languages)
• LambdaFactory/Tennis – Simple, static content server for developers
• zenprotocol/zenprotocol – “Zen Protocol is a new type of blockchain, written from scratch in F#, with a contracting language in F*.”
• FSharp.EFCore.OptionConverter – A value converter that maps nullable database columns to F# option fields/properties

New Releases

• Saturn 0.7
• Expecto v8.2.0
• dotnet- fantomas 2.8.0
• FusionTasks 2.0.0
• WebSharper 4.4
• Rider 2018.2 EAP 2

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

Previous F# Weekly edition – #27, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Printed version of Concurrency in .NET is out!
• Discuss future of Forge 3.0
• FSharpx.Collections 2.0 coming soon
• TrivialBehinds: a new small lib for Windows Forms development (in F#), approach feedback requested
• .NET Core 2.1 June Update

Videos & Slides

• July 6, 2018 – F# Friday – Back in the saddle and working on a serverless Azure application
• Developer Friendly Machine Learning with F# – Michal Lusiak
• Ukulele tabs in F# – Jérémie Chassaing

Blogs

• On the topic of tail calls in .NET – Mårten Rånge
• Creating Azure WebJobs in F# – John Ruble
• FSharp: Learning to use FAKE and Paket – Mihir Karandikar
• Function Overloading Five Ways in F# – Daniel Markham
• Learning F# — Part 8 — dotnet – Vijesh Salian
• Pipelines – a guided tour of the new IO API in .NET, part 1 – Marc Gravell
• .NET JIT and CLR – Joined at the Hip – Matt Warren‏
• Fantomas global cli tool – Florian Verdonck

F# vNext:

• Deedle is green again!
• Visual F# 15.8 scope.
• New ideas:
  • Add the ability to quote code as an abstract syntax tree

Open source projects

• Szer/Hopac.IO – Standard IO operations with Hopac Jobs
• cxa/Mu – Apply The Elm Architecture pattern on Xamarin stack, with another simple, unobtrusive way
• Krzysztof-Cieslak/Fornax – Static site generator using type safe F# DSL to define page templates
• Cvdm.ErrorHandling – AsyncResult and Result computation expressions and helper functions for error handling in F#
• gsomix/foxy – Experimental F# eDSL for OxyPlot charting library

New Releases

• Saturn 0.6.0
• Cvdm. ErrorHandling 1.0.0
• Rider 2018.2 EAP (Solution Explorer and Project Model)
• Visual Studio Code 1.25

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

Previous F# Weekly edition – #26, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• ASP.NET Core 2.2 Roadmap
• Visual Studio 2017 version 15.8 Preview 3
• Newtonsoft.Json enabling Source Link
• Static website hosting for Azure Storage now in public preview
• Don Syme’s (F# creator) opinion about C# new feature – default methods implementation in interfaces

https://twitter.com/dsyme/status/1012400769050529792

Videos & Slides

• ML.NET with John Alexander – .NET Rocks

Blogs

• F# Async Guide – Lev Gorodinski
• Concurrent Programming in Fsharp Using Hopac – Part 7 – Demystify FP
• Learning F# — Part 7 — rec – Vijesh Salian
• Magical domain modelling with F# – Chester Burbidge
• How to use .NET Standard 2.0 NuGet packages with F# Interactive – Jon Sagara
• Creating Azure WebJobs in F# – John Ruble
• F# and ML.Net Classification – codesuji

F# vNext:

• New ideas:
  • Add union match patterns to Expr
  • Add support for recording fixity in quoted literals

Open source projects

• markpattison/fsharp-monogame – A sample solution using MonoGame with F#, incorporating Paket and FAKE 5.
• Nhowka/Elmish.Bridge – Create client-server Fable-Elmish apps keeping a single mindset

New Releases

• FsConfig 2.0.0
• WebSharper 4.3 released with pure .NET Core support
• FusionTasks 2.0.0 (F# 4.5, .NET Standard 2.0 and .NET Core 2.0)

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

Previous F# Weekly edition – #25, 2018