F# Weekly #50, 2020 – F# Lexer, Parser, quick fixes and codegen

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What’s New on F#: Q&A With Phillip Carter
• Infer#: Interprocedural Memory Safety Analysis For C#
• Visual Studio 2019 v16.9 Preview 2 and New Year Wishes Coming to You!
• Producing Packages with Source Link
• What’s new in Windows Forms runtime in .NET 5.0
• Bring lights in Unity into the real-world using Philips Hue
• .NET December 2020 Updates – 5.0.1

F# Advent Calendar 2020

• Dependency Injection Using Flexible Types and Type Inference – Garth Fritz
• F#’s MEAN – Angel Munoz
• F# EventStoreDB Subscription – Andrew Meier
• Bouncing around with Recursion – John Azariah
• Long-running business processes in F# with Rebus on Azure – Sean Kearon
• Fable.React.WebComponent – Daniel Hardt
• Functional Motor Control – Frank A. Krueger
• F# on the Web: A guide to building websites with Falco, .NET 5.x and ASP.NET Core – Pim Brouwers
• Designing Around F# Interop – Patrick Kelly
• F#’s Stack Overflow community is amazing – André Slupik
• Why I Love F# for Mathematical Planning – Matthew Crews
• Timing code using computation expressions – Erik Schierboom
• To Annotate, or Not to Annotate? – Justin Hewlett
• SnowPi in F# – Dave Shaw
• Prototyping generic Bitcoin Smart contract – Joe Miyamoto

Videos and Slides

• Lexer and Parser – F# Compiler Community Session
• Languages & Runtime Community Standup – Infer#
• ASP.NET Community Standup – Material Design in Blazor with Material.Blazor

Hey #fsharp, we’ve just uploaded the recording of our latest community session to @fsharporg YouTube channel:https://t.co/WqhW5prwaJ

— Vlæd Za (@vzarytovskii) December 10, 2020

Blogs

• These Modern Programming Languages Will Make You Suffer – Ilya Suzdalnitski
• Execute shell command in F# – Alexandru Nedelcu
• Interpreter from scratch – Bipin Paul Bedi
• Converting asynchronous cancellation from C# to F# – Tyson Williams
• String Calculator Kata in F# – happy end – Kuba Ciechowski
• Reindeer Secret Santa Assignment Problem – Matthew Crews
• Backing up files with F# Scripts and MongoDB GridFS – Angel Munoz
• Creating your first CRUD app with Suave and F# – Diogo Souza

F# vNext

• ionide/dotnet-proj-info: Rewrite using MsBuild APIs
• F# language suggestions:
  • Improved Map Performance

Another fun #fsharp quick fix coming to a VS near you soon: fix up that pesky "right, I need to mark it as `rec`" error! Also handles nested cases correctly. pic.twitter.com/tuJssWANLx

— Phillip Carter – F# and left-wing politics (@_cartermp) December 10, 2020

Well this was a pain in the ass to do. Abstract class codegen coming to an FSAC-powered editor near you soon! @IonideProject #fsharp pic.twitter.com/xwMX6L11WZ

— Chet Husk (@ChetHusk) December 8, 2020

GitHub projects

• Dzoukr/Tables.FSharp – Lightweight F# extension for the latest Azure.Data.Tables SDK
• JordanMarr/SsdtParser – A SQL script parser for SSDT
• Karamell/fsipavlov – Superfast watcher for fsi.

New Releases

• Npgsql.FSharp.Analyzer v3.22
• Fable.React.WebComponent 0.0.1
• F#+ 1.1.6
• WebSharper 4.7
• try-convert v0.7.160902
• Pulsar.Client 1.8.0

The first preview drop of our new .NET 5 experience is now available. Check it out here and let us know what you think.https://t.co/8Kl9C2aXjW

— Azure Functions (@AzureFunctions) December 10, 2020

.NET6 runs natively on M1 🙂 Kudos to the JIT team. pic.twitter.com/NiwC2S8nDR

— Egor Bogatov (@EgorBo) December 10, 2020

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

Previous F# Weekly edition – #49, 2020