# F# Weekly #35, 2021 - Optimizing Tasks in F# and CoolLang in F#

**URL:** <https://forums.fsharp.org/t/f-weekly-35-2021-optimizing-tasks-in-f-and-coollang-in-f/1789>\
**Category:** General\
**Tags:** news\
**Created:** [August 28, 2021, 2:34pm UTC](https://forums.fsharp.org/t/f-weekly-35-2021-optimizing-tasks-in-f-and-coollang-in-f/1789 "2021-08-28T14:34:54Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![sergey\_tihon](https://yyz2.discourse-cdn.com/flex030/user_avatar/forums.fsharp.org/sergey_tihon/32/25_2.png) [@sergey\_tihon](https://forums.fsharp.org/u/sergey_tihon)\
**Post date:** [August 28, 2021, 2:34pm UTC](https://forums.fsharp.org/t/f-weekly-35-2021-optimizing-tasks-in-f-and-coollang-in-f/1789/1 "2021-08-28T14:34:54Z")

</div>

Welcome to F# Weekly,

A roundup of F# content from this past week:

**News**

- VS Code extension: [Highlight HTML/SQL templates in F# - Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=alfonsogarciacaro.vscode-template-fsharp-highlight)
- [New .NET 6 APIs driven by the developer community | .NET Blog (microsoft.com)](https://devblogs.microsoft.com/dotnet/new-dotnet-6-apis-driven-by-the-developer-community/)
- [Join the Visual Studio 2022 for Mac Private Preview | Visual Studio Blog (microsoft.com)](https://devblogs.microsoft.com/visualstudio/join-the-visual-studio-2022-for-mac-private-preview/)

> <https://twitter.com/mmvol85/status/1430886693331079175>

**Videos and Slides**

- [Fantomas - Style Guide - YouTube](https://www.youtube.com/watch?v=9AqGaO7qL8U&ab_channel=nojaf)
- [ASP.NET Community Standup - Visual Studio 2022 Razor Editor - YouTube](https://www.youtube.com/watch?v=Zw11P2z_ptc&ab_channel=dotNET)
- [The .NET Docs Show - Blazor component testing with bUnit - YouTube](https://www.youtube.com/watch?v=JtyVBbcVplY&ab_channel=dotNET)

**Blogs**

- [Optimizing Tasks in F# - Paul Biggar](https://blog.darklang.com/optimizing-tasks-in-fsharp/)
- [Creating Generic Wrappers for Validated Values – Robert Kuzelj](https://robkuz.github.io/Limited-Values/)
- [F# for JavaScript Devs - Akash Mair](https://www.compositional-it.com/news-blog/f-for-javascript-devs/)
- [SliceMap Rework - Part 2 - Matthew Crews](https://matthewcrews.com/blog/2021/08/slicemap-rework-part-2/)
- [When to Use Pipelining vs. Composition Operators in F# - Nick Keuning](https://spin.atomicobject.com/2021/08/26/fsharp-operators-pipeline-composition/)
- [A toy compiler of a Scala subset (mykolav.github.io)](https://mykolav.github.io/coollang-2020-fs/#h.nhx0ymn32qxg)
- [Benefits of pure functions - Matt Gallagher](https://www.compositional-it.com/news-blog/benefits-of-pure-functions/)

> <https://twitter.com/paulbiggar/status/1430583964666892294>

**F# vNext**

- [📣 Announcement - Road to v1 · Issue #54 · aaronpowell/FSharp.CosmosDb · GitHub](https://github.com/aaronpowell/FSharp.CosmosDb/issues/54)
- Fixed: [MacOS support? · Issue #2 · aardvark-platform/aardvark.templates · GitHub](https://github.com/aardvark-platform/aardvark.templates/issues/2#issuecomment-907606226)
- [Fix 7456, 3704, 12019 (debug scopes, self arg, incorrect information display on shadowing) by dsyme](https://github.com/dotnet/fsharp/pull/12018)
- F# Language Suggestions:
  - [Make long-established deprecation warning messages into errors · Issue #1064](https://github.com/fsharp/fslang-suggestions/issues/1064)

**Highlighted projects**

- [AngelMunoz/Fable.Haunted: Fable Bindings for https://hauntedhooks.netlify.app/](https://github.com/AngelMunoz/Fable.Haunted)
- [alfonsogarciacaro/Feliz.Engine: Feliz as an abstract API for multiple renderers](https://github.com/alfonsogarciacaro/Feliz.Engine)
- [alfonsogarciacaro/Fable.Lit: Write Fable Elmish apps with lit-html](https://github.com/alfonsogarciacaro/Fable.Lit)
- [w0lya/fsharp-3d-and-gamedev: Resources on 3D Graphics Programming and Game Development in F#](https://github.com/w0lya/fsharp-3d-and-gamedev)
- [mykolav/coollang-2020-fs: Cool 2020 compiler implemented in F#](https://github.com/mykolav/coollang-2020-fs)

**New Releases**

- [Fable.Lit.Templates 1.0.0-beta-002](https://www.nuget.org/packages/Fable.Lit.Templates/1.0.0-beta-002)
- [Fable.Haunted 1.0.0-beta-006](https://www.nuget.org/packages/Fable.Haunted/1.0.0-beta-006)
- [Fable.HauntedPlugins 1.0.0-beta-001](https://www.nuget.org/packages/Fable.HauntedPlugins)

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](https://www.buymeacoffee.com/sergeytihon)!

[![Buy Me A Coffee](https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png)](https://www.buymeacoffee.com/sergeytihon)

&nbsp;
