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

News

• Introducing Sdkbin – The Marketplace for Software Developers
• Announcing .NET Conf 2020 – Nov 10-12
• gRPC-Web for .NET now available
• Feliz.UseDeferred
• Initial preview version of the UnrealCLR is released

https://twitter.com/Aaronontheweb/status/1272998107685543943

Videos and Slides

• Fantomas – Elmish code – Florian Verdonck
• DotNetCore Show: Episode 52 – Functional C# With Simon Painter

Blogs

• Goodbye NancyFX, Hello F#! – Jonathan Channon
• F# Smart Constructor – draptik
• Multiplayer games room with F#, SignalR, Akka.Net and SAFE stack – Chester Burbidge
• Make F# play nice with C# – how to compose dependencies while hosting with C# project – MCode
• Feature Management in F#/Giraffe/ASP.NET Core – Jonathan Channon
• Using Active Patterns to help model business cases –  Isaac Abraham

F# vNext

• F# Dugnad Community Cleanup Session: 15 July 2020
• F# 5.0 language status
• Small improvement for String.length
• String mapi ~2.5x perf improvement
• nameof fixes
• No auto completion etc. for F# Scripts
• F# language suggestions:
  • Allow full recursive processing of symbols in literals
  • Suggestion: Tab support for visually impaired people
  • Support byref-like parameters (e.g., Span) in local functions that don’t capture and are only invoked
  • Support attributes on anonymous record fields
  • Avoid type inference defaulting to object in absence of evidence
  • [Breaking] Deprecate UseNullAsTrueValue and remove it from Option
  • Open up isNotNull, adding it to the top-level functions for the rest of us
  • Language level built-in documentation browsing

GitHub projects

• nightroman/FarNet.FSharp.PowerShell – F# friendly PowerShell extension
• deviousasti/gameoflife-wasm – Conway’s Game of Life in Web Assembly, built using Bolero
• Jmaharman/fsharp-a-beginners-guide – This repository is a series of small lessons that I wrote for my colleagues at work, in an attempt to get them interested in F# with the possibility of using it at work in the coming months / years.
• jmhickman/Fetters – Port of Seatbelt in F#
• dbrattli/Felizia – Non-Static Website Application Generator inspired by Hugo

New Releases

• WebSharper 4.6.5
• Pulsar.Client 1.4.0
• Feliz.RoughViz v1.0
• Ionide 4.14.0
• Saturn 0.14.1
• Tye 0.3

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

Previous F# Weekly edition – #24, 2020

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

News

• Announcing .NET 5.0 Preview 5
• New FSharp.Compiler.Service site
• Terminal 2.0 Roadmap
• ASP.NET Core updates in .NET 5 Preview 5
• Introducing “Web Live Preview”

Videos and Slides

• Exploring NumSharp – June 1, 2020 Live Stream –
  Luis Quintanilla

Blogs

• Using FSCheck to aid refactoring – Isaac Abraham
• Using FSLexYacc, the F# lexer and parser – Thanos Papathanasiou
• Writing More Succinct C# – Dan Clarke
• .NET 5 – How to start – Michał Białecki

https://twitter.com/c4fsharp/status/1270018211900280832

F# vNext

• June(ish) 2020 rollup plan and checklist
• Consider supporting #r: “frameworkreference:”
• Saturn: Deprecating netstandard2.0
• F# language suggestions:
  • Allow underscore in `use` bindings
  • Using QueryBuilder, show available commands
  • “clamp” function
  • Add interface alternative to FSharpFunc

GitHub projects

• tforkmann/Fumble – Thin F# API for Sqlite for easy data access to sqlite database with functional seasoning on top
• xperiandri/Elmish.Uno – Static UWP views for elmish programs running with the Uno Platform

New Releases

• Myriad v0.3.1
• Project Snowflaqe v1.2.0
• Feliz.Recoil 0.10.0
• SwaggerProvider 0.10.6
• Waypoint 0.3.0
• FSharp.Plotly 1.2.3-beta2
• Ionide 4.12.0
• Propulsion 2.7.0
• Saturn 0.13.2
• Flips 1.2.3
• Frank 6.1.0

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

Previous F# Weekly edition – #23, 2020

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

News

• fsharp.org/Black Lives Matter
• FSharp.Core API Docs
• Introducing Snowflaqe

Videos and Slides

• fsharpConf 2020

Blogs

• Fabulous Enables Building Declarative Cross-Platforms UIs for iOS and Android in F# – Sergio De Simone
• My Take on FAKE in 2020 – Wizards of Smart
• F# and Azure Functions – Darren Hale
• Custom Site Generation with Azure Static Web Apps – Wizards of Smart
• Impure functions in F# – Isaac Abraham
• Hacking Windows with F# 5.0 Scripts – Angel D. Munoz
• Left-Leaning Red-Black Tree in F# – znprojects

F# vNext

• Performance of certain build-in functions, esp the ones related to Array manipulation
• F# language suggestions:
  • Allow for int64 and bigints in indexed for loops
  • Type-scoped type aliases
  • resolve the Some/None names in a type-directed way
  • new function `Map.mapKey` & `Map.mapEntry`

GitHub projects

• nrkno/Quibble.Xunit – XUnit-like asserts for text strings with JSON content.
• matthewcrews/flips – Fsharp LInear Programming System
• Azure/AAD.fs – F# WebAPI endpoint protection based on Azure AD roles
• fssnippets/fssnip-data – Dump of the F# snippets data from Azure Storage
• pimbrouwers/Falco – A functional toolkit for building brilliant ASP.NET Core applications using F#
• Jmaharman/fsharp-a-beginners-guide – This repository is a series of small lessons that I wrote for my colleagues at work, in an attempt to get them interested in F# with the possibility of using it at work in the coming months / years.
• NickDarvey/FSharp.Data.DACFx.MSBuild – An MSBuild tools package to unite SSDT and type providers like FSharp.Data.SqlClient
• parthopdas/yann – Yet another neural network library (inspired by deeplearning.ai specialization course)
• zakaluka/zn-llrbtree – Left-Leaning Red-Black Tree

New Releases

• Flips 1.2.0
• Feliz.MaterialUI 1.0.1
• FSharpx.Collections v2.1.3
• AltCover 7.0.773
• Feliz.Recoil 0.7.0
• Myriad 0.2.8
• FsToolkit.ErrorHandling 1.4.0

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

Previous F# Weekly edition – #22, 2020

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

News

• The Day AppGet Died.
• Continuous integration workflow template for .NET Core desktop apps with GitHub Actions
• StackOverflow 2020 Developer Survey Results

Videos and Slides

• Build 2020 Recap & Static Malware Analysis using Deep Learning in .NET – May 20, 2020 Live Stream – Luis Quintanilla
• ASP.NET Core Series: MVC and Razor Pages – On.NET
• DevOps for ASP .NET Developers: Feature Flags – On.NET

Blogs

• Revisiting Microsoft Forms: WebForms – Wizards of Smart
• Exploring MVU and Functional Paradigms in Xamarin.Forms – Austin Webre
• Exploring MVU Part 2: Composition – Austin Webre
• Build Developer Conference: What’s New with C# and F# – David Ramel
• Computing cyclomatic complexity with F# 5.0 interactive and Mono.Cecil – Steve Gilham
• F# Records – Darren Hale
• Immutable data structures in F# – Prashant Pathak
• F# – Idiomatic and Atomic ThreadPool – Mr. Mathiesen
• Build Developer Conference: What’s New with C# and F# – David Ramel
• Fable and .Net integration – AngelMunoz

F# vNext

• MAUI: [Enhancement] F# Support from Day 1
• Add AST to string transformation to the compiler
• F# language suggestions:
  • Special-case raising an exception with byrefs
  • Add AST to string transformation to the compiler
  • Source-Only Attributes (a.k.a. Attributes everywhere)

GitHub projects

• Jmaharman/fsharp-a-beginners-guide
• cannorin/FSharp.CommandLine – A framework for building command line application in F#
• Shmew/Feliz.Recoil – Fable bindings in Feliz style for Facebook’s experimental state management library recoil.
• vhogemann/FSharpDataBot – Twitter robot that outputs Graphs and Statistics from the World Bank Data
• jhickman/Fetters – F# re-implementation of GhostPack/Seatbelt, a Windows enumeration program for red teams and system administrators.
• Krzysztof-Cieslak/WinForms-FSharp-Sample – Sample application using WinForms and F#
• nrkno/Quibble.Xunit – XUnit-like asserts for text strings with JSON content.
• matthewcrews/flips – Fsharp LInear Programming System

New Releases

• Feliz.UseElmish 1.2.1
• Feliz.Recoil 0.6.0
• FsToolkit.ErrorHandling 1.3.0
• Pulsar.Client 1.2.0
• Flips 1.2.0

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

Previous F# Weekly edition – #21, 2020

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

News

• F# 5 and F# tools update
• Welcome to C# 9.0
• Announcing .NET 5 Preview 4 and our journey to one .NET
• Introducing .NET Multi-platform App UI
• Introducing YARP Preview 1
• Using Visual Studio Codespaces with .NET Core
• ML.NET Model Builder is now a part of Visual Studio
• Windows Forms Designer for .NET Core Released
• Introducing Project Tye
• Blazor WebAssembly 3.2.0 now available
• Visual Studio 2019 for Mac version 8.6 is now available
• Releasing Today! Visual Studio 2019 v16.6 & v16.7 Preview 1
• Improvements to XAML tooling in Visual Studio 2019 version 16.7 Preview 1
• Expanding Visual Studio 2019 support for Visual Studio Codespaces
• Windows Terminal 1.0
• Uno Platform 2.4 – macOS support and Windows Calculator on macOS
• Announcing end of support for .NET Standard 1.3 in AWS SDK for .NET

JetBrains .NET Days Online 2020

• Formatting F# Code by Florian Verdonck
• Learning F# by Designing Your Own Language by Alexey Golub
• Build a Highly Performant Interservice Communication with gRPC for ASP NET Core by Riccardo Terrell

Microsoft Build 2020

• Book of News
• Empowering every developer, with Satya Nadella
• The Journey to One .NET – Scott Hunter, Scott Hanselman
• C# Today & Tomorrow – Mads Torgersen, Dustin Campbell
• Build native apps for any device with .NET – David Ortinau, Maddy Leger
• Modern Web UI with Blazor WebAssembly – Steve Sanderson, Daniel Roth
• on-demand session catalog

Videos and Slides

• Episode 24: Trivia – Immo Landwerth
• .NET Design Review: Connection Abstractions
• Xamarin Podcast: Essentials 1.6, Forms 4.6 and Contact Tracing

Blogs

• Introducing Feliz v1.0 – Zaid Ajaj
• Introduction to Functional Programming in F# – Part 10 – Ian Russell
• Build Developer Conference: What’s New with C# and F# – David Ramel

F# vNext

GitHub projects

• Shmew/Feliz.Recoil – Fable bindings in Feliz style for Facebook’s experimental state management library recoil.
• Shmew/Feliz.Plotly – Fable bindings written in the Feliz-style for plotly.js
• matthewcrews/flips – Fsharp LInear Programming System
• AngelMunoz/WinRTFs – WinRT + F#

New Releases

• Fleece 0.8.0
• Fleece.SystemTextJson 0.8.0
• WebSharper 4.6.2
• Myriad 0.2.7
• Waypoint 0.2.0
• Npgsql.FSharp.Analyzer 3.5
• Dapper.FSharp 1.7
• MessagePack.FSharpExtensions 2.0.0
• FSharp.Control.Reactive 4.3.0
• Bolero 0.13 (Blazor 3.2.0)

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

Previous F# Weekly edition – #20, 2020

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

News

• SAFE Stack: Functional Web Programming for .NET Core
• Scaling Kubernetes: Intro to Kubernetes-based event-driven autoscaling (KEDA)

Videos and Slides

• GOTO 2020 • Life After Business Objects – Confessions of an OOP Veteran • Vagif Abilov
• Deep Learning for Static Malware Analysis in .NET – Luis Quintanilla
• On .NET: Data processing with .NET for Apache Spark
• Azure DevOps Podcast 87 – Maria Naggaga on .NET Interactive
• .NET Standup: Languages & Runtime – May 14th 2020 – Updates with Immo, Kathleen, and Phillip

Blogs

• Converting between F# and C# types – Devon Burriss
• Propagator Networks in F# – codesuji
• F# – Refactoring to a Functional Design – Part 1 – Darren Hale
• Writing More Succinct C# – Dan Clarke.NET

F# vNext

• Fabulous Experiments: Stronger typing, Mixing Dynamic/Static views, Componentization, SwiftUI-like DSL #738

GitHub projects

• zakaluka/zn-llrbtree – Left-Leaning Red-Black Tree
• nessos/Streams – A lightweight F#/C# library for efficient functional-style pipelines on streams of data.
• SciSharp/TensorFlow.NET – .NET Standard bindings for Google’s TensorFlow for developing, training and deploying Machine Learning models in C#.

New Releases

• FSharp.Formatting 4.0.1
• FsToolkit.ErrorHandling 1.3.0-beta004
• FSharp.Data.WsdlProvider 0.5.0-alpha
• Myriad 0.2.6
• Continuous v1.3
• Pulsar.Client 1.1.0
• TF.NET 0.20 alpha
• Fleece 0.8.0

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

Previous F# Weekly edition – #19, 2020

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

News

• Using ML.NET for deep learning on images in Azure
• Xamarin.Forms 4.6: Material Components, Shell, and the Future

Videos and Slides

• F# Online – Josef Starýchfojtů – FSharpPlus – Advanced FP concepts in F#
• .NET Rocks: There is a Silver Bullet with Mark Seemann
• On.NET: BBQ, Bots and .NET Core
• On.NET: Home automation with Hubitat and .NET Core
• On.NET: Exploring the Microsoft Graph Toolkit
• On.NET: Intro to DocFX

Blogs

• Write Unit Tests With F# and XUnit – Khalid Abuhakmeh
• Converting between F# and C# types – Devon Burriss
• F# code: memoize a recursive function – wj32
• Put your F# domain on a diet – Luis Ferrao

F# vNext

• F#: 3-week rollup plan and checklist (May 2020)
• Rider: Hosting Type Providers out-of-process [<WIP>]
• F# language suggestions:
  • Relax indentation rules on mutually recursive functions when using with CE
  • Add short form for operators used in mutable assignment
  • Support DisposeAsync in async computation expression
  • Make ‘enum’ an alias of ‘LanguagePrimitives.EnumOfValue’

GitHub projects

• juselius/inf-3910-webapp – Full stack RESTful webapp using F#, ASP.NET Core, Fable, Feliz and Entity Framework Core
• dbrattli/FSharp.ListEx – F# list extensions for converting between F# and C# lists
• MoiraeSoftware/myriad – Myriad is a code generator for F#
• Zaid-Ajaj/AlgebraFs – A simple computer algebra system (CAS), written in F# for fun and learning.
• matthewcrews/flips – Fsharp LInear Programming Solver

New Releases

• FsharpRampart 2.0.0
• AltCover 7.0.766-pre
• VS Code: April 2020 (version 1.45)

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

Previous F# Weekly edition – #18, 2020

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

News

• Microsoft Build 2020 registration is not only open, it’s FREE, it’s LIVE, it’s VIRTUAL, and it is all FOR YOU
• Introducing C# Source Generators
• Blazor WebAssembly 3.2.0 Release Candidate now available
• Work flow of diagnosing memory performance issues – Part 2
• Exception Helper – Rethrown Exceptions
• MsQuic is Open Source
• JetBrains .NET Days Online (13-14 May)
  • Formatting F# code, by Florian Verdonck
  • Learning F# by Designing Your Own Language, by Alexey Golub

Videos and Slides

• Visual Studio Toolbox – F# 5 with Phillip
• Fantomas – V4 Alpha – Florian Verdonck
• .NET Rocks: Versioning in a Pandemic with Jon Skeet
• ASP.NET Community Standup – April 21st 2020 – ML.NET + Blazor with Bri Achtman and Luis Quintanilla

Blogs

• How to define “proper” function in Fable – Mnie
• F# | Word Search Kata Summary – Paweł Zelmański
• How Socket Error Codes Depend on Runtime and Operating System – Andrey Akinshin
• INotifyPropertyChanged with C# 9.0 Source Generators – Jerome Laban

F# vNext

• Merged: Implement portable tailcall helpers
• dotnet/sdk: Add `dotnet add file` by Krzysztof Cieslak
• F# language suggestions:
  • Support Source Generators
  • Add if! (if-bang) keyword to computation expressions

GitHub projects

• MNie/BagnoDB – F# wrapper for MongoDB
• Horusiath/FSharp.Core.Extensions – A set of utilities, that you always wanted to have in F#.
• pimbrouwers/Falco – A functional micro-library for building brilliant ASP.NET Core applications using F#.
• pimbrouwers/Donald – A functional F# interface for ADO.NET.

New Releases

• DustyTables v2.0
• Ionide 4.10.0 (FCS 35.0, latest FSharpLint, and Fantomas 4.0 alpha)
• Saturn.Proxy 0.1.0
• MiniScaffold 0.24.2

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

Previous F# Weekly edition – #17 2020

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

News

• Announcing .NET 5.0 Preview 3
• New Saturn Landing page

Videos and Slides

• Phillip Carter- You got FP in my Enterprise!- λC 2019
• F# and Functional Programming! – The Dev Talk Show
• Deploy ML Models with F# – Global Azure Virtual Conference
• Microservice Architecture with ASP.NET Core
• Working with Channels in .NET
• Codeless application monitoring with Azure Monitor

Blogs

• Improved asynchronous support in F# 4.7 – Isaac Abraham
• Python Code Generation in F# – Ramsey Nasser
• F# Active Patterns – Darren Hale
• Few snippets that prove F# COOLNESS – MCode
• Testable Back-end Programming in F# – Kasey Speakman
• Event Sourcing With Equinox – Kimserey Lam

F# vNext

• Since .NET 5 preview 3, by setting DOTNET_NEW_PREFERRED_LANG=F# env var, all the new projects of .NET CLI will be in F# by default
• F# language suggestions:
  • Add if! (if-bang) keyword to computation expressions
  • Ability to pass ownership of an IDisposable to caller
  • Please add waitAfter function(tentatively) to MailBoxProcessor

GitHub projects

• kunjee17/awesome-fable – A curated list of useful Fable tutorials, libraries and software. Inspired by awesome list. Feel free to contribute.
• kunjee17/GreenPrint – Fable Elmish wrapper around blueprint js
• dbrattli/Feliz.ViewEngine – Feliz DSL and engine for HTML generation and server side rendering (SSR)

New Releases

• Fornax v0.13.0
• Feliz.Bulma 2.1.0
• MiniScaffold 0.24.1

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

Previous F# Weekly edition – #16 2020