Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing Microsoft Q&A for .NET
• The updated GetGCMemoryInfo API in .NET 5.0 and how it can help you
• Learn C# with Visual Studio, Visual Studio for Mac, and Unity (and win a free book!)
• Source code of Concurrency in .NET update for .Net Core
• Next Steps for Flips
• Using F# With Xamarin
• Visual Basic WinForms Apps in .NET 5 and Visual Studio 16.8
• Everything from .NET Conf 2020: Sessions, Demos, & More!

Very proud to announce that "F# From the Ground Up" is now live on @udemy! 😎😎😎#fsharp #csharp #dotnet https://t.co/Bw8msD9Zzm

— Kit Eason (@kitlovesfsharp) November 26, 2020

F# eXchange 2020

• Lightning Talk: Specification as a Library by Scott Nimrod
• Welcome to F# eXchange 2020 by Don Syme
• Type Me If You Can: Writing Safe Communication Protocols with F# by Rumyana Neykova
• Nagareyama: a new Fable, faster, more powerful and easier to use: Bonus Q&A Session by Alfonso Garcia-Caro
• Peeble: An F# -> PHP Transpiler by Jérémie Chassaing
• Lightning Talk: F# Software Foundation Initiatives by Kevin Avignon
• Lightning Talk: F#: The Best Tool for the Hardest Problems by Matthew Crews
• Lightning Talk: Open Source Fun from Start to End by Phil Trelford
• Lightning Talk: One Language to Rule Them All (IaC in F#) by Stefano d’Antonio
• Lightning Talk: F# in 3D Bin Packing by Onur Gumus
• Lightning Talk: The Choosy Devs’ Intro to Units of Measure by Paul Blasucci
• F# for Biotech — Stranger Things edition by Darren Platt
• Machine Learning Made Easy with ML.NET and F# by Riccardo Terrell
• Building a Custom Type Provider by Ody Mbegbu
• Declarative, Concise Implementation of a Rule-based Dialog System in F# by Allister Beharry
• Rethinking Bioinformatic Algorithms Using F# by Jamie Dixon
• F# for a Real World E-commerce Project by Mikhail Smal

Videos and Slides

• Fantomas and Friends | Gregor Beyerle
• Go Pro on .NET with F# by Isaac Abraham

Blogs

• Enabling C# 9 in Xamarin & .NET Standard Projects – James Montemagno
• Looking at the giraffe – Angel D. Munoz
• Operation-based CRDTs: arrays (part 2) – Bartosz Sypytkowski
• Fable + canopy + browserless – Andrew Meier
• Slicing in F# and how it’s a bit better in F# 5 – Prashant Pathak

F# vNext

• Discussion FST-1032 – F# analyzers and binary compat
• F#: Improve overall user experience in using F# with expression-based ORMs

In case you missed it, we're doing planning for .NET 6 in the open. However, please note that this site isn't meant to be a committed product roadmap — it's literally our planning, which means you can see us changing our minds and reacting to challenges. https://t.co/C9Tzv4r4Kt

— Immo Landwerth (@terrajobst) November 26, 2020

GitHub projects

• Dzoukr/SQLDumper – Dump your MSSQL database into file or stream using F# library or .NET CLI tool
• pimbrouwers/Validus – A composable input validation library for F#.
• AngelMunoz/Mondocks – A CE library for F# that may provide better interactions with mongo databases
• demetrixbio/FSharp.Data.Npgsql – F# type providers to support statically typed access to input parameters and result set of sql statement in idiomatic F# way. Data modifications via statically typed tables.
• CSBiology/FSharp.Stats – F# project for statistical computing

Bolero 0.16 released — now on .NET 5! Better performance, reduced download size, and all the improvements brought by #dotnet 5 are here https://t.co/chjHmX1r1O #fsbolero #fsharp #blazor #webassembly

— Bolero (@fsbolero) November 26, 2020

Rider 2020.3 EAP9 is available! It comes with .NET 5.0 and Source Generators support, support for F# 5.0 string interpolation, and compatibility with macOS Big Sur: https://t.co/YDWLLXRRYA pic.twitter.com/DocRxr0gEn

— JetBrains Rider (@JetBrainsRider) November 27, 2020

New Releases

• Giraffe 5.0.0-rc-2
• FsLexYacc 10.2.0 runs on .NET 5.0
• FSharpPlus 1.1.5
• Ionide 5.0 preview 2
• Fabulous 0.60
• Bolero 0.16
• Dapper.FSharp 1.15.0
• Fable 3.0.0-nagareyama-rc-010

Just made my first F# https://t.co/4PmXMR4Jhx Core project #dotnet #fsharp

— David Fowler #BlackLivesMatter (@davidfowl) November 22, 2020

After lots of googling, here it is, my first F# https://t.co/4PmXMR4Jhx Core Web API #dotnet #fsharp pic.twitter.com/mXrSgyCMjm

— David Fowler #BlackLivesMatter (@davidfowl) November 23, 2020

F# type inference is pretty amazing. The IDE is lacking some features that I'm used to in C# that are pretty frustrating… https://t.co/b1qySHk3eP

— David Fowler #BlackLivesMatter (@davidfowl) November 23, 2020

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

Previous F# Weekly edition – #47, 2020

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Fabulous: Going Beyond Hello World
• What’s new in .NET Productivity
• Announcing General Availability for Microsoft Edge WebView2 for .NET and Fixed Distribution Method
• Getting Started With NuGet 5.8
• GitHub accounts are now integrated into Visual Studio 2019
• Unified Blazor UI in the Mobile Blazor Bindings Preview 5
• Html2Feliz – Convert HTML into Feliz style code to learn the syntax

5 years ago I’ve released first public version of @IonideProject for @code.#fsharp #toolingAdventures

— Krzysztof Cieślak (@k_cieslak) November 19, 2020

Videos and Slides

• Aardvark within vscode notebook – Aardvark Platform
• Munich .NET – An evening with Scott HANSELMAN!
• .NET Tooling Community Standup – dotnet templates with Sayed Hashimi
• What’s New in Visual Studio 2019 and beyond

Blogs

• Announcing Nagareyama (Fable 3) (III) – Alfonso García-Caro
• Exciting New Features in .NET 5 – Sam Walpole
• Support for nameof in F# 5 – Alican Demirtas
• Good ol’ Monoliths – Angel D. Munoz
• Looking at the giraffe – Angel D. Munoz

F# vNext

• Turn XML doc and Sig<->Impl mismatch warnings on by default
• What’s new in F# 5.0
  • Interpolated strings
  • Interactive programming with F#
  • Nameof
• F# language suggestions
  • for SRTP: could these be a stable feature?
  • Function pointers
  • Add `Map.maxBinding` and `Map.minBinding` functions

Embarrassed I forgot to include F# in this list. It's terribly under-resourced by Microsoft, but is an amazingly cool language. https://t.co/ojFkMHpUvF

— Jeremy Howard (@jeremyphoward) November 18, 2020

GitHub projects

• Zaid-Ajaj/SAFE.React – Full Stack F# powered by ASP.NET Core on the backend and modern React on the frontend.
• Zaid-Ajaj/Npgsql.FSharp.Analyzer – F# analyzer that provides embedded SQL syntax analysis, type-checking for parameters and result sets and nullable column detection when writing queries using Npgsql.FSharp.
• matthewcrews/SliceMap – A Map-like data structure with slicing along dimensions
• WalternativE/Silencer – An intelligent browser extension to silence toxic Twitter DMs powered by ML.NET, Bolero and .NET 5.
• fsprojects/fsharp-ai-tools – TensorFlow API for F# + F# for AI Models eDSL
• tomcl/issie – an intuitive cross-platform hardware design application.

New Releases

• FsToolkit.ErrorHandling 2.0.0
• try-convert v0.7.156704
• Flips 2.4.1

Having some fun over the weekend doing quick fixes for common-ish beginner mistakes in #fsharp! pic.twitter.com/RHgOXlm0Lo

— Phillip Carter – F# and left-wing politics (@_cartermp) November 16, 2020

Added some more! https://t.co/B5hpGCxpKO pic.twitter.com/YWDEPKvVdg

— Phillip Carter – F# and left-wing politics (@_cartermp) November 16, 2020

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

Previous F# Weekly edition – #46 2020

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing .NET 5.0
• Announcing F# 5
• C# 9.0 on the record
• Announcing ASP.NET Core in .NET 5
• Visual Studio 2019 v16.8 and v16.9 Preview 1 Release Today
• Visual Studio 2019 for Mac version 8.8 is now available
• Make your repeated edits faster and more accurate with IntelliCode suggestions
• Announcing the Release of the Git Experience in Visual Studio
• Diving Into NuGet History For Fun and Community Insights

.NET Conf 2020

• Keynote – Welcome to .NET 5
• Introducing F# 5
• Building React Applications in F#
• What’s New in C#?
• Porting Projects to .NET 5
• Get to know the .NET 5.0 SDK
• C# Source Generators – Write Code that Writes Code
• Language Server Protocol and .NET
• High-performance Services with gRPC: What’s new in .NET 5
• Developing and Deploying Microservices with ‘Tye’
• Developer Fun with Scott Hanselman
• Create a Text Parser in C# with ANTLR
• Maximising Algorithm Performance in .NET: Levenshtein Distance
• Lessons Learned from Building the YARP Proxy on .NET

Videos and Slides

• Fantomas and Friends | Chet Husk
• Trying SAFE (F#) to build a billards tracking app – Michael Gilliland
• Keras for C#/ .NET – Haiping Chen

Blogs

• F# 5: A New Era of Functional Programming with .NET – Phillip Carter
• This Week in Programming: When to Choose F# Over Rust – Mike Melanson
• Mac Catalyst Support for Xamarin.iOS – Frank A. Krueger
• Automate Complex Business Decisions with Mathematical Planning – Rocket Mortgage Technology
• dotnet-script 1.0.0 released – with support for .NET 5.0 and C# 9 – Filip W
• Yielding Options in List Comprehension Expressions – Alican Demirtas

F# vNext

• Visual F# 16.9 Milestone
• Ionide 5.0 roadmap
• FsAutoComplete: Update to FCS 38 and .net 5
• Visual Studio 2019 version 16.8.0
• Visual Studio 2019 for Mac version 8.8 (8.8.0.2913)

With new .NET Sdk 5.0.100 you can set #fsharp as your default language of `dotnet new`

set the env var

DOTNET_NEW_PREFERRED_LANG=F#

and happy `dotnet new console`

You can switch to other langs with usual `-lang` argument#dotnet

— Enrico Sada (@enricosada) November 11, 2020

GitHub projects

• Zaid-Ajaj/dotnetconf-react-with-fsharp – Demo application used in DotnetCONF to build React applications with F#
• rr-wfm/MSBuild.Sdk.SqlProj – An MSBuild SDK that provides similar functionality to SQL Server Data Tools (.sqlproj) projects
• yawaramin/fsharp-typeclasses – F# Typeclasses: a Dictionary Encoding Approach

New Releases

• AltCover 7.1.795
• Falco v3.0.0-alpha1
• MiniScaffold 0.25.1
• Fuchu 1.2.0-beta-1
• Flips 2.3.5 with .NET 5

@JetBrainsRider EAP includes refactoring hints for #fsharp 😍

Will be a great release! pic.twitter.com/SMd6LbMPMx

— JaggerJo (@JaggerJo1) November 10, 2020

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

Previous F# Weekly edition – #45 2020

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET 5.0 Launches at .NET Conf, November 10-12
• .NET for Apache Spark hits v1.0
• .NET Learn Challenge
• The Future of Visual Studio Extensions

Videos and Slides

• Resumable State Machines – F# Compiler Community Session
• Machine Learning Community Standup – TorchSharp & Tensor Programming
• SAFE Stack Web Apps on Azure Static Web Apps
• Domain Driven Design (DDD) with Algebraic Data Types (ADT) – Ramón Soto Mathiesen
• Fantomas and Friends | Gregor Beyerle
• ASP.NET Community Standup – Updating Scott Hanselman’s blog to .NET Core
• Performance Profiling | .NET Async Tool
• .NET Game Dev Community Standup – First .NET Game Dev Community Standup

Blogs

• Dark’s new backend will be in F# – Paul Biggar
• Darklang: Leaving OCaml – Paul Biggar

.@darklang's new backend will be in F#! https://t.co/Bfe8DaYI21

— Paul Biggar (@paulbiggar) November 3, 2020

F# vNext

• F# 5 docs update
• Support Ctrl-W and Ctrl-U shortcuts in fsi
• Witnesses made visible in FCS

Put together a working list for #fsharp 5 docs updates. I finished up the first one, updates to the F# Interactive tutorial to make it more accessible and highlight package references. Anyone wanna help out? Check the list here: https://t.co/zWKKWM5PJr

— Phillip Carter – F# and left-wing politics (@_cartermp) October 31, 2020

GitHub projects

• CraftyFella/TableStorageLocal – Azure Table Storage compatible emulator written in F#
• dbrattli/Expression – Practical functional programming for Python inspired by F#

New Releases

• Fable 3.0.0-nagareyama-rc-001
• Falco 2.0.3
• Fable.OidcClient 1.0.2
• SchlenkR.FsHttp 4.0.3

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

Previous F# Weekly edition – #44, 2020

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• gRPC performance improvements in .NET 5
• Unified Blazor UI in the Mobile Blazor Bindings Preview 5
• Announcing Version 1.0 of .NET for Apache Spark
• Get more done with search in Visual Studio
• The Future of Visual Studio Extensions

Call for bloggers: F# Advent Calendar in English 2020 #fsharp Choose topic and reserve one of 60 slots #FsAdvent https://t.co/VlezMEwFG7 pic.twitter.com/osiDZ9ZuAD

— Sergey Tihon (@sergey_tihon) October 22, 2020

Videos and Slides

• F# Ukraine 2020
• Learn me some F# compiler – F# Compiler Community Session
• Understanding the F# Optimizer – F# Compiler Community Session
• ASP.NET Community Standup – .NET 6 Planning for ASP.NET Core
• ASP.NET Community Standup – Updating Scott Hanselman’s blog to .NET Core
• On .NET Live – Operationalizing ML models with ONNX, C# …. and Pokemon!
• Xamarin.Forms 5 Is Here! | The Xamarin Show
• .NET Game Dev Community Standup – First .NET Game Dev Community Standup

We’ve just published our compiler community sessions recordings to FSSF YouTube channel: https://t.co/Ar6wcjBKle #fsharp #fssf

— Vlad Zaa (@vzarytovskii) October 27, 2020

Blogs

• Unit testing with F# – Unit testing with F#
• Real-time communication with Giraffe and Fabulous – Kai Ito
• Don’t use ToString() on discriminated unions in F#! – Prashant Pathak

F# vNext

• FSharp.TypeProviders.SDK: move to .NET Standard exclusively
• Mono: Bump to F# 5.0
• Add PriorityQueue<T> to Collections
• Fantomas & Friends
• F# Language Suggestions
  • Allow undentation in method and constructor calls

We are on the verge of finally, definitively archiving https://t.co/lrv5gzoFbw in favour of the unified repository https://t.co/MbyE83wTyw, see https://t.co/LPE4MwQfT6

— Don Syme #FreeAndFairElectionsForBelarus (@dsymetweets) October 27, 2020

GitHub projects

• sentry-demos/fsharp – Sentry F# Demo

New Releases

And 40,000+ downloads are for our Identity Number library written in #fsharp 🥰 https://t.co/99tNYvvuG3

— Viktor Andersson (@Emmet_Ray) October 27, 2020

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

Previous F# Weekly edition – #43, 2020

 

Welcome to F# Weekly,

This is an anniversary edition of F# Weekly, we are together for long 8 years already! All these years I had been doing Weekly from Minsk (Belarus). This one is the first edition from Gdansk (Poland) and I hope it will be new chapter in F# Weekly history. Thank you for reading F# Weekly and producing awesome posts, videos and new releases that shape weekly F# news.

A roundup of F# content from this past week:

News

• F# Advent Calendar in English 2020
• Nagareyama (Fable 3) is out!
• GitHub: Code navigation for C# repositories
• Choose a .NET Game Engine
• The Microsoft author signing certificate will be updated as soon as November 1st, 2020

Call for bloggers: F# Advent Calendar in English 2020 #fsharp Choose topic and reserve one of 60 slots #FsAdvent https://t.co/VlezMEwFG7 pic.twitter.com/osiDZ9ZuAD

— Sergey Tihon (@sergey_tihon) October 22, 2020

Videos and Slides

• Total Rewrite: A Story About F# and Azure Functions in Production – Almir Mesic – NDC Oslo 2020
• Trying SAFE (F#) to build a billards tracking app – Michael Gilliland
• Fantomas – Update in FsAutoComplete – Florian Verdonck
• Xamarin Podcast: October of Releases
• Machine Learning Community Standup – ML.NET in VS Code
• .NET Tooling Community Standup – dotnet templates with Sayed Hashimi

Blogs

• In a Bind with F# – Patrick Tone
• JSON Serialisation in F# – Alican Demirtas

F# vNext

• FSharp.Core 5.0.0
• F# Language Suggestions
  • Add Async.CatchResult to FSharp.Core

Nagareyama (Fable 3) is out! Check it out here: https://t.co/P8aPCrt496

— Fable Compiler (@FableCompiler) October 23, 2020

GitHub projects

• CompositionalIT/SAFE-Dojo – An introductory dojo to learn how to develop full stack web applications in F#
• Ionide/FSharp.EventHorizon – Experiment with F#, type holes, and type-directed search using F# Analyzers
• thinkbeforecoding/peeble – A F# -> Php transpiler
• baronfel/tree-sitter-fsharp – A treee-sitter grammar for F#, derived from the [spec]

New Releases

• NBomber v1.1.0
• F# Lint 0.3
• Fable.SignalR 0.9
• FSharp.Data.WsdlProvider 0.7.0-alpha

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

More info on .NET 5

Did you know the 'F' in F# stands for 'Functional'?

Wait, what? Phillip Carter says that's not true. Find out what @_cartermp thinks the 'F' stands for in today's #OneDevQuestion.

F# docs galore at: https://t.co/aOKxLXGKaO
#dotnet#fsharp pic.twitter.com/AkbJah7hWi

— Windows Dev Docs (@WindowsDocs) October 22, 2020

Previous F# Weekly edition – #42, 2020

 

Welcome to F# Weekly,
A roundup of F# content from this past week:

News

• Announcing .NET 5.0 RC 2
• ASP.NET Core updates in .NET 5 Release Candidate 2
• Microsoft.Identity.Web is now generally available!
• Introducing .NET Live TV – Daily Developer Live Streams
• C#/WinRT Version 0.8 and the .NET5 RC2 Release

Videos and Slides

• The Journey to .NET 5 – Immo Landwerth
• ASP.NET Community Standup – .NET 6 Planning for ASP.NET Core
• YARP: The .NET Reverse proxy
• On .NET Live – Diving into Azure Static Web Apps
• The .NET Docs Show – The .NET Foundation and .NET OSS with Claire Novotny

Nice talk by @atsapura on why #fsharp is not Haskell. Takeaways:
* Every coding/design decision should make your life easier, not harder
* Being overly pure/abstract is not always the best approach
* Work with the platform, don't fight it https://t.co/pQr728Ayts

— Scott Wlaschin (@ScottWlaschin) October 10, 2020

Blogs

• File Order in F# – the most annoying thing for a beginner? – Mariusz
• Sceptical About F# Tooling? These Days, You Shouldn’t Be – Isaac Abraham
• Scripting with FSharp – Nabeel Valley
• Securing a web application written in Saturn Framework with Authorization Code Flow and IdentityServer4 – Maciej
• Why I chose F# for our AWS Lambda project – Istvan
• Creating Azure Functions with Farmer – Isaac Abraham
• Unit testing with F# – Christina Ljungberg
• How to Use F# from C# – Christian Findlay

F# vNext

• F# Language Suggestions
  • Make the inline get_Zero hack official

Being a speaker I have two free invite tickets to F# Exchange Online!

If you are a student or currently have no paid work and would like to attend, please contact me either via DM or email (dsyme at microsoft)https://t.co/ciT0z6TnQ0

— Don Syme #FreeAndFairElectionsForBelarus (@dsymetweets) October 14, 2020

GitHub projects

• Tarmil/FSharp.SystemTextJson – System.Text.Json extensions for F# types
• Shmew/Fable.Extras – A more functional construct on-top of Fable.Core
• jamil7/SQLStreamStore.FSharp – Thin F# wrapper around SQLStreamStore
• AngelMunoz/Fable.Remoting.Ts – Interact with your Fable.Remoting powered server from any typescript/javascript application in a seamless way
• tforkmann/Fumble – Thin F# API for Sqlite for easy data access to sqlite database with functional seasoning on top
• DanpowerGruppe/Chia – Chia is a F# library which contains HelperFunctions for reporting, logging and Azure cloud operations
• JamesRandall/Img2Svg – Converts a bitmap to an SVG file with each pixel represented as a rect
• xperiandri/CodeRushTemplates – Useful CodeRush templates
• martinmoec/Fable.ReactNative.ImagePicker – Fable bindings for react-native-image-picker

New Releases

• Fable 3.0.0-nagareyama-alpha-010
• Marten.FSharp 0.4.3
• try-convert v0.6
• Fumble 0.6.2
• Chia 0.8.8

Woohoo, go Rider!

> Our biggest news is that we're introducing support for Avalonia! There will be more updates to come, but already there's a lot in there.

https://t.co/ZrpLFGToGn

— AvaloniaUI (@AvaloniaUI) October 16, 2020

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

Previous F# Weekly edition – #41, 2020

 

Welcome to F# Weekly,
A roundup of F# content from this past week:

News

• Applied F# Challenge 2021 – Call for Judges
• Game Development with .NET
• Cross Platform Managed Memory Dump Debugging

We are excited to see the return of the Applied F# Challenge for 2021! https://t.co/uNaEVZVkYt Call for judges is now open. #fsharp

— fsharp.org (@fsharporg) October 6, 2020

Videos and Slides

• Total Rewrite: A Story About F# and Azure Functions in Production – Almir Mesic – NDC Oslo 2020
• Exploration of interactive Visualization in the ELM Architecture – Monika Wißmanns + paper
• Languages & Runtime Community Standup – Source Generators
• ASP.NET Community Standup – Oct 6th 2020 – Azure Static Web Apps with .NET and Blazor
• Machine Learning Community Standup – Oct. 7, 2020 – Contributing to ML .NET
• C# 9 Language Features with Jared Par

#aardvark.media powered interactive visualization – thesis and talk by monika #fsharp #mvu https://t.co/ExGLPmtIRW

— Harald Steinlechner (@HaraldSteinlec1) October 8, 2020

Blogs

• Applicatives IRL – Jérémie Chassaing
• Applicative Computation Expressions – Jérémie Chassaing
• Applicative Computation Expressions – 2 – Jérémie Chassaing
• Securing an API written in Saturn Framework with Client Credentials Flow and IdentityServer4 – Maciej J
• F# Get a NodeJS Experience – Callum Linington
• Creating FableTrek – Part 1 – James Randall
• Working with React Components in F# – Alican Demirtas
• Fabulous Mobile Apps with Xamarin and F# – Ryan Palmer

F# vNext

• Azure Functions: Support F# scripts (.fsx) in v2 and v3
• dotnet/performance: Added basic FSharp benchmarks
• F# Language Suggestions
  • Add ListBuilder API

Hey #fsharp friends, did you know that System Text Json supports records and anonymous records in .NET 5? Follow along on this issue for info: https://t.co/cFLDuN3P1z pic.twitter.com/E5ZxYYfSZ4

— Phillip Carter #BlackLivesMatter (@_cartermp) October 8, 2020

GitHub projects

• dbrattli/FSlash – Practical functional programming for Python inspired by F#

New Releases

• Flips 2.3.2
• Fable.Remoting 3.9
• F# 1.1.4

We have 10 free tickets to F# Exchange available for members of any minority underrepresented in technology! Reach out if you're interested. https://t.co/nS9qleHtYE #fsharp #DiversityInTech #fsharpX

— fsharp.org (@fsharporg) October 9, 2020

We are excited to announce our first batch of #fsharpX talks.

This 1-day virtual conference features a full day of sessions from 15+ #fsharp experts.

It all kicks off at 10:00 UTC on 21 October!

See the full list of speakers here: https://t.co/y0TPQI53rB

— Skills Matter (@skillsmatter) October 7, 2020

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

Previous F# Weekly edition – #40, 2020