Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Nullable Reference Types in F# 9 – .NET Blog
• What’s New in Rider 2024.3 & F# support
• Announcing .NET 9 – .NET Blog
• Calling methods is easier and faster with C# 13 params collections – .NET Blog
• Visual Studio 2022 v17.12 with .NET 9 – Visual Studio Blog
• Introducing Copilot Edits
• Introducing the .NET Aspire Community Toolkit – .NET Blog
• First preview of Visual Studio 2022 v17.13   – Visual Studio Blog
• Fix Code with GitHub Copilot – Visual Studio Blog
• How to use GitHub Copilot for Efficient Unit Test Creation | All things Azure
• Transforming Semantic Kernel Functions | Semantic Kernel
• C# Language Support in ReSharper and Rider 2024.3 | The .NET Tools Blog

A long read dedicated to Nullable Reference Types in F# 9 was just published: devblogs.microsoft.com/dotnet/nulla…It talks about history of nullability in F#, applicability of the new feature as well as new ways of dealing with null values in F# code.

— T-Gro (@t-gro.bsky.social) 2024-11-14T18:54:59.351Z

.NET Conf 2024

• Welcome to .NET 9 – .NET Conf 2024 Keynote – YouTube
• What’s new in C# 13 – YouTube
• Performance Improvements in .NET 9 – YouTube
• What’s New for ASP.NET Core & Blazor in .NET 9 – YouTube
• What’s new in the .NET Runtime, Libraries, & SDK – YouTube
• Introducing HybridCache in ASP.NET Core – YouTube
• AI Building Blocks – A new, unified AI layer – YouTube
• What’s new in .NET Aspire – YouTube
• Aspirations for .NET Aspire – YouTube
• Build your own .NET Aspire integrations – YouTube
• Building and deploying an Azure Functions app with .NET Aspire in 25 minutes – YouTube
• API-ly Ever After: OpenAPI in .NET 9 – YouTube
• Building AI Applications from Scratch: A Hands-On Guide for .NET Developers – YouTube
• What’s new in Visual Studio 2022 for .NET developers – YouTube
• What’s new in C# Dev Kit for VS Code – YouTube
• Discover the Latest GitHub Copilot Features for .NET Developers in Visual Studio – YouTube
• openai-dotnet: the official OpenAI library for .NET – YouTube

F# Online will be moving to Bluesky (as well as Mastodon, YouTube), and will no longer amplify content posted here.

Here's an F# starter pack on Bluesky https://t.co/NS0Wz0Q81C

— F# Online (@fsharponline) November 12, 2024

Videos

• What’s new in F# 9 – YouTube
• F# in Action | Episode 1 | No Chat | F Sharp Learnalong – YouTube
• F# in Action | Episode 2 | No Chat | F Sharp Learnalong – YouTube
• Damian Płaza – I, interface: what your mom didn’t tell you about interfaces – TDC 2024 – YouTube
• The Right Way To Return API Errors in .NET – YouTube

Blogs

• Working with OpenAI and F# – Prompting with larger datasets | Compositional IT
• Sharpino Internals. Inside a functional event-sourcing library. Part 2 | by Tony Lucca | Nov, 2024 | Medium
• 10 essential F# libraries for Functional Programming – Ada Beat

F# vNext

• What’s new in F# 9 – F# Guide – .NET | Microsoft Learn
• Celebrating the F# 9 Release: A Tribute to Our Contributors · Issue #17996 · dotnet/fsharp
• Option and Result become less of a problem from the allocations standpoint
• F# support or fantomas tool · Issue #1526 · dotnet/format
• Breaking changes in .NET 9 | Microsoft Learn

Recent #dotnet 9 feature, which promotes classes to stack under certain circumstances plays great with #fsharp code, check it out, no extra allocations when working with options:gist.github.com/vzarytovskii…

— Vlád Zä (@vlz.bsky.social) 2024-11-13T08:01:32.860Z

Highlighted projects

• pimbrouwers/Falco.Htmx: Falco + htmx = ❤️
• Chris P. / FuncUI.CustomBindings · GitLab
• SchlenkR/TypeFighter: A graph based approach to type inference written in F#
• simon-reynolds/StringBuffer – An F# computation expression for writing code with code

New Releases

• Paket 9.0.1
• FSharp.Core 9.0.100
• Fun.Blazor 4.1.x
• FusionCache v2.0.0-preview-2
• DbFun.NpgSql 2.0.0
• FsharpCad 0.1.0
• StringBuffer 1.0.2
• Oxpecker.Solid 0.3.0
• FAkka.Argu 1.0.0
• FAkka.Akka.FSharp 1.5.30.2
• altcover 9.0.1

https://twitter.com/auduchinok/status/1856748548731068525

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What’s new in F# 9 – F# Guide – .NET | Microsoft Learn
• Oxpecker documentation | ASP.NET Core based F# framework
• Get Ready for .NET Conf 2024! – .NET Blog
• Announcing TypeScript 5.7 RC – TypeScript
• Introducing a new, more conversational way to chat with GitHub Copilot – Visual Studio Blog
• Dev Blogs home page layout simplified | Developer Blogs News

Videos

• Single-Process Microservice Architectures using Dapr Actors and F# by Jonas Juselius – YouTube
• Build a Fullstack Webapp with F# + Falco – YouTube
• Why you would use F# in 37 seconds – YouTube
• .NET MAUI in 9 and Syncfusion Toolkit for MAUI – YouTube
• The Right Way To Return API Errors in .NET – YouTube

https://twitter.com/magnus_sedlacek/status/1854163493697577288

Blogs

• Authenticating to SQL Azure with Entra ID | Compositional IT
• Build a Fullstack Webapp with F# + Falco

F# vNext

• What’s new in F# 9 – F# Guide – .NET | Microsoft Learn
• Unofficial F# discord
• Fix #17501 by vzarytovskii · Pull Request #17668 · dotnet/fsharp · GitHub

Some bittersweet news: in about a month I will be moving to the new team inside of Microsoft – Microsoft C++ compiler backend as lead.I will still be spending about 20% of my time contributing to F# compiler (roughly same amount as now), just not as part of the team.

— Vlád Zä (@vlz.bsky.social) 2024-11-04T18:39:33.276Z

Highlighted projects

• ant-design-blazor/ant-design-blazor: 🌈A rich set of enterprise-class UI components based on Ant Design and Blazor.
• Savelenko/FSharp.Control.Fold: Represent folding of data structures and streams as values composable via F# applicative computation expressions

New Releases

• Oxpecker 0.15.0
• AvalonLog 0.16.0
• Fling.Interop.Facil 0.2.8
• DbFun.OracleManaged 1.2.0
• DbFun.Core 1.2.0
• Prime 9.32.0
• Ant Design Blazor 1.0

F# Advent Calendar in English 2024 #fsharp #FsAdvent sergeytihon.com/2024/10/26/f…

— Sergey Tihon 🦔🦀 (@sergeytihon.com) 2024-11-10T09:39:05.275Z

https://twitter.com/learn_fsharp/status/1853627622070124652

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Introducing Microsoft.Extensions.VectorData Preview – .NET Blog
• Microsoft.Extensions.VectorData.Abstractions: Now Available | Semantic Kernel
• Unlocking the Power of GitHub Models in .NET with Semantic Kernel – .NET Blog
• Introducing AWS Bedrock with Semantic Kernel | Semantic Kernel
• GitHub Copilot in Windows Terminal – Windows Command Line
• Bringing developer choice to Copilot with Anthropic’s Claude 3.5 Sonnet, Google’s Gemini 1.5 Pro, and OpenAI’s o1-preview – The GitHub Blog

GitHub has always been an open developer platform. Today, we are delivering multi-model choice for GitHub Copilot with @anthropicAI’s Claude 3.5 Sonnet, @googlecloud’s Gemini 1.5 Pro, and @openAI’s o1-preview. https://t.co/tN6BZqpMP7

— Thomas Dohmke (@ashtom) October 29, 2024

Videos

• Real-time event visualization using F# and Fable – YouTube
• Vagif Abilov, Max Arshinov- Stay with C# or switch to F# Let’s fight Lets vote | Build Stuff Conf – YouTube
• Array math tutorial in F#. Better than numpy? (yes) :^) – YouTube
• Build a Single-File Web API with F# + Falco – YouTube
• ASP.NET Community Standup – Making DevToys 2.0 cross-platform with Blazor Hybrid – YouTube

Blogs

• 10 essential F# libraries for Functional Programming – Ada Beat
• Grokking function type signatures | Compositional IT
• Build a Single-File Web API with F# + Falco

Highlighted projects

• tforkmann/AzureTackle: Thin F# API for AzureTable for easy data access to azure tables with functional seasoning on top
• DaveDHA/ChickenScratch – set of tools that help produce reasonable-looking output quickly and easily from F# scripts and Polyglot Notebooks
• taidalog/Fermata.RadixConversion: F# library for operations related to radix conversion. Compatible with Fable
• AngelMunoz/Openapo: A simple relaxing project to play with F#
• AngelMunoz/Threads.Lib: A very barebones threads.net api library
• Hardt-Coded/perry-rhodan-audiobook-player: In F# Avalonia and Elmish written audiobook player for the eins a medien shop and Perry Rhodan fans

New Releases

• fantomas 7.0.0-alpha-002
• AzureTackle 2.1.0
• Oxpecker.Solid 0.2.2
• Oxpecker 0.14.2
• Oxpecker.ViewEngine 0.15.1
• Fabulous 3.0.0-pre7
• Fable 4.23.0
• ChickenScratch 1.3.0
• Fermata.RadixConversion 1.1.0
• NvmFs 1.0.0
• Glutinum 0.11.0
• NBomber v5.8
• FsImageToTic80.Tool 0.0.1

F# Advent Calendar in English 2024 #fsharp #FsAdvent https://t.co/geuALqaldr pic.twitter.com/jKHvwlf3hn

— Sergey Tihon 🦔🦀 (@sergey_tihon) October 26, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

As we flip the pages on another year, it’s hard to believe that F# Weekly has been part of your reading routine for 12 incredible years!

A heartfelt thanks goes out to all readers, whether you’ve been following F# Weekly from the beginning or have recently joined the community.

Get involved in this year’s #FsAdvent! I invite you to book a slot and share your experiences and stories from the world of F#. Let’s continue to grow and learn together!

A roundup of F# content from this past week:

News

• F# Advent Calendar in English 2024 – Sergey Tihon’s Blog
• Rider is Now Free (for non-commercial development)
• Ghostty 1.0 is Coming – Mitchell Hashimoto
• Introducing Mellum: JetBrains’ New LLM Built for Developers | The JetBrains Blog
• MongoDB EF Core Provider: What’s New? – .NET Blog
• .NET Upgrade Assistant Now Supports Upgrading to Centralized Package Mangement – .NET Blog
• .NET MAUI Welcomes Syncfusion Open-source Contributions – .NET Blog
• eShop infused with AI – a comprehensive intelligent app sample – .NET Blog
• Upgrade Your Windows Forms .NET Projects to the Latest .NET Version for Enhanced Security – Visual Studio Blog

F# Advent Calendar in English 2024 #fsharp #FsAdvent https://t.co/geuALqaldr pic.twitter.com/jKHvwlf3hn

— Sergey Tihon 🦔🦀 (@sergey_tihon) October 26, 2024

Videos

• GR-OSS OUT Episode 5: F# and Functional Programming with Florian Verdonck – YouTube (podcast)
• Math in F# is actually amazing – basic intro/tutorial for computational math/numerics – YouTube
• Creating a Bot for my site using Actors in F# – YouTube
• Is this the FASTEST way to install .NET, VS Code, & C# Dev Kit?!?! – YouTube
• On .NET Live – Challenges of Distributed Systems – YouTube
• .NET AI Community Standup – Beat Traffic Jams with .NET Aspire and GPT vision models – YouTube

Blogs

• Working with OpenAI and FSharp – Basics of OpenAI | Compositional IT
• Creating a Bot for my site using Actors in F#
• My book “Practical Debugging for .NET Developers” is now Free! | Michael’s Coding Spot

F# vNext

https://twitter.com/auduchinok/status/1849468310196216185

Highlighted projects

• nietras/Llm.cs: C# port of @karpathy https://github.com/karpathy/llm.c

New Releases

• Fable.Form 5
• Fabulous 3.0.0-pre6
• ARCtrl 2.2.0
• FsToolkit.ErrorHandling 4.18.0
• ShapeSifter 1.1.9
• Oxpecker.Solid 0.2.0
• FSharp.HotChocolate 0.1.9
• Fable.Browser.Dom 2.18.0

Contribute to open source, learn through self-education or courses, record educational podcasts, or grow your pet project easily with a FREE Rider subscription for non-commercial development.
Download and start today 👉https://t.co/hKq3IldNUK
Spread the word! #dotnet #gamedev pic.twitter.com/qYnCciuANZ

— JetBrains Rider (@JetBrainsRider) October 24, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# is 10000x more expressive than JS.
• What’s new in System.Text.Json in .NET 9 – .NET Blog
• How we build GitHub Copilot into Visual Studio – .NET Blog
• Catch the highlights from Azure Developers – .NET Aspire Day 2024! – .NET Blog
• Creating an ASP.Net application with External ID using Visual Studio | Microsoft Entra Identity Platform
• Improve your debugger game with editable expressions – Visual Studio Blog

For many years I have been using my own #fsharp editor for scripting. I am exited to make it public: https://t.co/o1xafVBSOX

— Goswin Rothenthal (@GoswinR) October 12, 2024

Videos

• Real-time event visualization using F# and Fable – YouTube
• One Million Checkboxes – Globally Synced Data with HTMX – YouTube
• A Sneak Peek at CSnakes: Embed Python code in .NET Apps – YouTube
• ASP.NET Community Standup – .NET Aspire 9 RC.1 Launch AMA – YouTube
• Hello Xcode 16 & .NET 9 RC 2 | The .NET MAUI Podcast ep. 125 – YouTube

Blogs

• Dealing with remote data using SAFE.Client | Compositional IT
• Oxpecker goes full stack!. Client-side development gets covered | by Vladimir Shchur
• Type-Safe Currency Conversion with F# Units of Measure by HAMY
• Scope progression – by LAMG – Structured Programming
• Introduction to F#: A Language for Functional Programming
• Safety and simplicity with LINQ – Andrew Lock

https://twitter.com/tomaspetricek/status/1845753585163731319

F# vNext

• `Tracking` F# AOT, Trimmability, ILLink · Issue #13398 · dotnet/fsharp
• Impove type inference for yields in computation expression to let them be aware of overloads with function parameters · Issue #1388 · fsharp/fslang-suggestions · GitHub
• Warning when comparing sequences · Issue #1387 · fsharp/fslang-suggestions · GitHub
• Change `string` function to always return a non-null result · Issue #1386 · fsharp/fslang-suggestions · GitHub

Highlighted projects

• cmeeren/Faqt: Fluent assertions for F#
• profhsgill/HSG.Numerics: HSG.Numerics provides a solver for a system of nonlinear and linear equations with ‘n’ unknowns. It is inspired by the “fsolve” function of SciPy and MATLAB, and can be called from all .Net languages (F#, C#, VB).

New Releases

• SQLProvider 1.4.1
• Falco 5.0.0-alpha4
• Funogram 3.0.2
• Funogram.Telegram 7.10.0
• Fable.Browser.Dom 2.18.0
• Fable.Browser.Event 1.7.0
• Oxpecker.Solid 0.1.0
• Oxpecker.Solid.FablePlugin 0.1.0
• Facil 2.12.0
• DynamicObj 4.0.3
• Xd.WebSharper.IndexedDB 1.0.0
• FSharp.AWS.DynamoDB 0.12.1-beta
• Faqt 4.2.1
• ARCtrl 2.1.0-alpha.4
• HSG.Numerics 1.0.5

🖥️ Watch 🖥️

Keep the Code Simple: F# in Action: https://t.co/MwYDoF3rC2

A sneak peek at the book by Isaac Abraham 📖 F# in Action / https://t.co/uErWFCZLdH 📖 @isaac_abraham #fsharp #fp #functionalprogramming

SAVE 40% with code: watchabraham340

— Manning Publications (@ManningBooks) October 18, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET 9 Release Candidate 2 is now available! – .NET Blog
• Introducing Microsoft.Extensions.AI Preview – Unified AI Building Blocks for .NET – .NET Blog
• Microsoft.Extensions.AI: Simplifying AI Integration for .NET Partners | Semantic Kernel
• Engineering the Scalable Vector Extension in .NET – .NET Blog
• .NET and .NET Framework October 2024 servicing releases updates – .NET Blog
• Announcement: Agent Framework Documentation Updates | Semantic Kernel

I was today years old when I learned that you can have #fsharp specific editor config goodness. seriously this makes me so happy. stroustrup brackets when formatting on save? yes please. all this is good. thank you 1EyeWonder. pic.twitter.com/54EWeq3FWS

— Will Ehrendreich 🦔 (@WillEhrendreich) October 9, 2024

Videos

• .NET Conf 2024 is Coming! November 12 – 14 – YouTube
• Build a Simple F# WebAPI with a Data Repository (F# + Giraffe) – YouTube
• Build a Simple Fullstack Web App with F# + Giraffe – YouTube
• How to Compress Web Responses from F# + Giraffe Endpoints – YouTube
• Type-Safe Currency Conversion with F# Units of Measure – YouTube
• How I Generated 100k webpages for my Side Project using AI – YouTube
• Languages & Runtime Community Standup – C# 13 and beyond – YouTube
• On .NET Live – Functional programming with C# – YouTube
• Deep .NET – Ahead of Time Compilation (Native AOT) with Eric Erhardt – YouTube
• ASP.NET Community Standup – Featured projects: Actual Chat and ActualLab.Fusion – YouTube
• .NET AI Community Standup – Build a Video Analyzer with OpenAI .NET Library’s Stable Release – YouTube

Blogs

• Searching for lost agents in our implementation of Codenames | Compositional IT
• Cancellation, Part 6: Linking

https://twitter.com/sergey_tihon/status/1845022893966528919

Highlighted projects

• goswinr/Fesh: A Scripting Editor for F#
• pkese/FsChat: GPT-Chat wrapper
• dotnet-outdated/dotnet-outdated: A .NET Core global tool to display and update outdated NuGet packages in a project

New Releases

• FSharp.Core 9.0.100-beta.24466.6
• FSharp.Compiler.Service 43.9.100-preview.24466.6
• Oxpecker.ViewEngine 0.15.0
• Oxpecker.Solid 0.0.2
• FS.FluentUI 1.16.0
• ShapeSifter 1.1.7
• ARCtrl 2.1.0-alpha.2
• Qit 0.3.1
• MuPDF.NET 2.1.1
• Fesh 0.11.1

I needed ChatGPT a bit more programmatically accessible, so I sat down over the weekend and produced #FsChat:

FsChat is #fsharp client for interactive fiddling with GPT APIs.

Project & documentation: https://t.co/zbyKj2rLrq pic.twitter.com/bLmRSWHHih

— Peter Keše (@pkese) October 6, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Comparison between different Async types | IcedTasks
• Announcing the stable release of the official OpenAI library for .NET – .NET Blog
• Welcome to the OpenAPI Blog – OpenAPI at Microsoft
• Announcing the stable release of the Azure OpenAI library for .NET – Azure SDK Blog
• Announcing Azure Cosmos DB Integration with LangChain.js! – Azure Cosmos DB Blog
• Using JSON Schema for Structured Output in .NET for OpenAI Models | Semantic Kernel
• Effectively building Linux apps with Microsoft Dev Box and WSL | Develop from the cloud
• Visual Studio 2022 – Recent performance enhancements  – Visual Studio Blog
• Discover Hidden Insights with Profiler’s External Code Decompilation – Visual Studio Blog

Current state of 4 months of C# to F# rewrite:
– Approx 200 types representing our domain.
– Units of Measure everywhere (mm, m, N/m^3, etc.).
– 10% of the source code is now F#.
– Happy devs!

— Almir Mesic (@almirmesic) September 28, 2024

Videos

• MS-ILX, Some Shared Compiler Infrastructure for Typed Programming Languages – Don Syme – 2000/04 – YouTube
• How to get HTMX Target from Web Requests in F# Giraffe – YouTube
• On .NET Live – Storytelling with Blazor and AI – YouTube
• .NET MAUI Community Standup – .NET MAUI 4, 9, 12, 16, 18, 35 – YouTube
• LLMs gone wild – Tess Ferrandez-Norlander – NDC Oslo 2024 – YouTube
• How to deliver continuously – Christian Johansen – NDC Oslo 2024 – YouTube
• Distributed Async Await • A new programming model for the cloud – Dominik Tornow – NDC Oslo 2024 – YouTube

Blogs

• Easy document searching with Typesense and F# | Compositional IT
• How to get HTMX Target from Web Requests in F# Giraffe
• Major updates to NetEscapades.​AspNetCore.​SecurityHeaders

Highlighted projects

• nfdi4plants/ARCtrl: Library for management of Annotated Research Contexts (ARCs) using an in-memory representation and runtime-agnostic contract systems.
• SchlenkR/TypeFighter: A graph based approach to type inference written in F#

New Releases

• Akka.FSharp 1.5.30
• Fable 4.22.0
• Fable.Package.SDK 1.1.0
• Parquet.Net 5.0.0
• Prime 9.30.0
• ARCtrl 2.1.0-alpha.1
• Elmish.WPF 4.0.0-beta-56
• FsSpreadsheet 6.3.0-alpha.4

Fable 4.22.0 is out 🎉

Come get the latest improvements for Rust target, and some more for Python and JavaScript.#fsharp pic.twitter.com/b2eDlA04VZ

— Fable Compiler 🇺🇦 #StandWithUkraine (@FableCompiler) October 2, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Certificate Issues on macOS 15 (“Sequoia”) · Issue #324 · dotnet/announcements
• First impressions + Roast my first F# code : r/fsharp
• Getting started with testing and .NET Aspire – .NET Blog
• Creating a React TODO app in Visual Studio 2022 – Visual Studio Blog
• Organize Your Breakpoints like a pro – Visual Studio Blog
• Level up your collaborations with the pull request experience in Visual Studio – Visual Studio Blog
• Azure SDK Release (September 2024) – Azure SDK Blog
• Announcing fine-tuning for customization and support for new models in Azure AI  | Microsoft Azure Blog

Oxpecker has finally reached the top among .NET frameworks in several categorieshttps://t.co/EwbCO8aTBU#fsharp #oxpecker #dotnet #techempower

— Vladimir Shchur (@Lanayx) September 24, 2024

Videos

• .NET Days 2024: Dive Deep into Blazor, Razor Pages, ReSharper, Testcontainers & More (Day 1)
• .NET Days 2024: C#, F#, Blazor Wasm Hot Reload, Contract Testing, and More (Day 2)
• Tackling property data with readable code – Lars Furu Kjelsaas – NDC Oslo 2024 – YouTube
• Build a Simple Single-File Web API with F# / Giraffe – YouTube
• On .NET Live: Supercharge .NET with IAsyncEnumerables: Efficient Data Streams
• ASP.NET Community Standup – 🎂Celebrating 10 Years of Standups with Scott, Damian, and Jon
• .NET AI Community Standup – Introducing RLMatrix: Pure C# Deep Reinforcement Learning for .NET
• End-to-end integration testing with .NET Aspire
• Adding Interactive Gestures to Controls in .NET MAUI

Ufff, it's done. Big thanks to @maartenballiauw, @buhakmeh, and other @jetbrains stars for having me talking about my beloved #fsharp and all the cool stuff you can do with this #dotnet gem.

Day 2 is still running with many cool talks, so check it out!https://t.co/0zUSkks8hT

— Roman Provazník (@dzoukr) September 26, 2024

Blogs

• Proving function correctness with property-based tests | Compositional IT
• Build a Simple Single-File Web API with F# / Giraffe

Highlighted projects

• HLWeil/DrBiber: FSharp BibTex file parser.
• fslaborg/FsSpreadsheet: Spreadsheet creation and manipulation in F#, Javascript, and Python.
• CSBiology/DynamicObj: F# library supporting Dynamic Objects including inheritance in functional style
• bryanedds/Prime: An F# code library for pure functional programming… and much more!
• GDATASoftwareAG/FuncyDown: A simple functional library to create Markdown files.

I was bored so I forked @gleamlang and added .NET compilation support via #fsharp.

It's very rudimentary but it's functional 🙃 I'll probably write up a blog post or something about it at some point but for now I just wanted to share what I've got:https://t.co/vrUj5Esrhp

— Josh DeGraw (@rawdeg) September 25, 2024

New Releases

• SQLProvider 1.4.0
• fake-cli 6.1.3
• Sutil 2.0.16
• DrBiber 0.0.2
• DynamicObj 4.0.0
• Prime 9.29.0
• FsToolkit.ErrorHandling 4.17.0
• FsSpreadsheet 6.3.0-alpha.3
• FSharp.HotChocolate 0.1.8
• Fable.Exceljs 2.0.0
• FuncyDown 1.4.2

Finally with FAKE 6.1.3 you can build .NET 8 projects, so you can update old fake-cli projects without major refactoring. Like PR here to update @FSharpLint to support .NET 8: https://t.co/M8VBFqiCdw #fsharp #dotnet

— Tuomas Hietanen (@Thoriumi) September 26, 2024

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

If you want to help keep F# Weekly going, click here to jazz me with Coffee!

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Mastering CQRS with F#: Your Path from Zero to Hero, Sat, Oct 12, 2024, 11:00 AM | Meetup
• JetBrains .NET Days Online 2024
• Join the .NET Smart Components ecosystem – .NET Blog
• Introducing the new Dev Blogs: A Modern, Streamlined, and Engaging Experience – Microsoft Developer Blogs
• Improving GitHub Copilot Completions in Visual Studio for C# Developers – .NET Blog
• Observability in Semantic Kernel | Semantic Kernel
• New Function Calling Available in .NET for Semantic Kernel | Semantic Kernel
• How to run .NET apps natively on Arm64 devices – Visual Studio Blog
• Multi-Project Launch Configuration – Visual Studio Blog

Having lunch with @tomaspetricek, @tomasgrosup, @psfinaki, @vzarytovskii and the rest of the Microsoft #fsharp compiler team was fun! Thank you guys and see ya next time! ❤️ pic.twitter.com/wyI7jtcWgf

— Roman Provazník (@dzoukr) September 18, 2024

Videos

• Why operators are difficult to format in F# – YouTube
• On .NET Live – Hanselman upgrades – YouTube
• Deep .NET: Let’s Talk Parallel Programming with Stephen Toub and Scott Hanselman – YouTube
• Dependency Injection Basics in .NET MAUI – YouTube

Blogs

• Deserialising JSON in Giraffe | Compositional IT
• Async Guidance for ASP.NET Core

Highlighted projects

• easybuild-org/EasyBuild.PackageReleaseNotes.Tasks
• Hardt-Coded/Terminal.Gui.Elmish: An elmish wrapper around Miguel de Icaza’s ‘Gui.cs’ https://github.com/migueldeicaza/gui.cs including a fable like view DSL.

New Releases

• Fable 4.21.0
• SQLProvider 1.4.0-alpha3
• Fable.Browser.Worker 1.4.0
• fantomas 7.0.0-alpha-001
• FusionCache v1.4.0
• Sutil 2.0.14
• Terminal.Gui.Elmish 3.0.0-v2-develop.2329-v1

This month, the .NET on AWS team is sponsoring CSharpier, an opinionated code formatter for C#. Our committee awarded Bela VanderVoort 12 x $500 payments totaling $6k.Thanks for empowering the .NET ecosystem! 🎁 https://t.co/vkBbo7UxLH#dotnet #AWS #OpenSource pic.twitter.com/DGi8BNaCk0

— .NET on AWS (@dotnetonAWS) September 19, 2024

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

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