F# Weekly #20, 2019 – dotnet/fsharp & 2019 Board of Trustees Campaign

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• 2019 Board of Trustees Campaign
• The “Applied F# Challenge” submission deadline is soon. Don’t forget to submit a blog post or some other nice work you did.
• Default implementations in interfaces
• Performance Improvements in .NET Core 3.0
• Create Interactive .NET Documentation with Try .NET
• New Azure Search docs with F# samples
• eiriktsarpalis/dotnet-sdk-mono
• New book: Design Patterns in .NET (Reusable Approaches in C# and F# for Object-Oriented Software Design) by Nesteruk, Dmitri
• .NET Core Diagnostics Overview
  • Installing the diagnostics tools
  • App is leaking memory (eventual crash/hang)
  • App is running slow (due to high CPU)
  • App is experiencing intermittent memory spikes
  • App is hanging

Videos & Papers

• #fsharp #monogame F# Platform Game Series TEA and animated sprites – Dave Thomas
• Episode 25 – Blazor – You Want To Run .NET Where?! – Jamie Taylor
• Episode 12 – Function declarations – Immo Landwerth
• Machine Learning at Microsoft with ML .NET

Blogs

• Digital Signal Processing with F# – Ronald Schlenker
• F# infinite sequence to read console input – Jonathan
• ASP.NET Core: Saturating 10GbE at 7+ million request/s – Ben Adams
• Fsion – 0. Introduction – Anthony Lloyd
• Fsion – 1. Size – Anthony Lloyd
• Creating Strings with No Allocation Overhead Using String.Create – Steve Gordon
• Build your own WebAssembly Compiler – Colin Eberhardt

F# vNext:

• `dotnet fsi` can’t be started on Windows
• Remove concept of AppDomains from the GC

GitHub projects

• dotnet/fsharp – The F# compiler, FSharp.Core library, and tools for F#
• Zaid-Ajaj/ThrowawayDb – Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.
• hodzanassredin/FsForth – Implementation of forth programming language in fsharp for learning purposes.
• TheAngryByrd/Marten.FSharp – A set of FSharp wrappers around Marten
• Zaid-Ajaj/ThrowawayDb – Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.

New Releases

• Fabulous 0.34
• Hedgehog 1.0
• XamarinForms.Reactive.FSharp 1.0.1.69
• FSharpx.Collections 2.0.0 (netstandard2.0 compliant)
• FSharpx.Collections.Experimental 2.0.0 (netstandard2.0 compliant)
• MiniScaffold 0.16.2

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

Previous F# Weekly edition – #19, 2019