F# Weekly #25, 2020 – Sdkbin & gRPC-Web for .NET

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