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//devdigest⚡️ Song Recommendations Using F# Free Monads🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4813" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4813</a>

//devdigest⚡️ FsiX: New F# REPL with Hot Reloading🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4812" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4812</a>

arialdoI think that this image about <a href="https://mastodon.online/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> Union Types (from F# for fun and profit) is more misleading then helpful. i understand the author’s intent but stating that the members of the right set are-2, -1, 0 etc is just wrong. They are:I(-2), I(-1), I(0) etcBy no means is 0 a member of that union type. I(0) is not an integer, it’s a different type altogether.Indeed, a union type in F# is nottype U = int | bool like in <a href="https://mastodon.online/tags/TypeScript" class="mention hashtag" rel="nofollow noopener" target="_blank">#TypeScript</a> buttype U = I of int | B of bool

brandewinderBlogged: <a href="https://brandewinder.com/2025/08/20/avalonia-funcui-list-selection/" rel="nofollow noopener" translate="no" target="_blank">https://brandewinder.com/2025/08/20/avalonia-funcui-list-selection/</a>Note to self: how to properly highlight the selected item in a ListBox with Avalonia FuncUI. <a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a>

arialdoCurrent status: reading <a href="https://mastodon.online/tags/Fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fsharp</a> for Fun and Profit.I like how it’s structured. It is inspiring me organizing my thought in preparation of a possible 16 session course I’ll be teaching in.

//devdigest⚡️ Song Recommendations with Haskell Free Monads🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/csharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#csharp</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4792" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4792</a>

//devdigest⚡️ F# Weekly #33 Highlights: Rider 2025.2 and .NET 10 Preview 7🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/jetbrains" class="mention hashtag" rel="nofollow noopener" target="_blank">#jetbrains</a> <a href="https://mastodon.social/tags/ide" class="mention hashtag" rel="nofollow noopener" target="_blank">#ide</a> <a href="https://mastodon.social/tags/rider" class="mention hashtag" rel="nofollow noopener" target="_blank">#rider</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4791" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4791</a>

xUnit.netWe just shipped Core Framework v3 3.0.1, Analyzers 1.24.0, and Visual Studio adapter 3.1.4.Check the release notes for new features and bugs fixed.<a href="https://xunit.net/releases/v3/3.0.1" rel="nofollow noopener" translate="no" target="_blank">https://xunit.net/releases/v3/3.0.1</a> <a href="https://xunit.net/releases/analyzers/1.24.0" rel="nofollow noopener" translate="no" target="_blank">https://xunit.net/releases/analyzers/1.24.0</a> <a href="https://xunit.net/releases/visualstudio/3.1.4" rel="nofollow noopener" translate="no" target="_blank">https://xunit.net/releases/visualstudio/3.1.4</a><a href="https://dotnet.social/tags/DotNet" class="mention hashtag" rel="nofollow noopener" target="_blank">#DotNet</a> <a href="https://dotnet.social/tags/CSharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#CSharp</a> <a href="https://dotnet.social/tags/FSharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#FSharp</a> <a href="https://dotnet.social/tags/UnitTest" class="mention hashtag" rel="nofollow noopener" target="_blank">#UnitTest</a> <a href="https://dotnet.social/tags/TDD" class="mention hashtag" rel="nofollow noopener" target="_blank">#TDD</a>

Angel D. MunozNew Perla release! This release has some fixes for the proxy server calls restoring dotnet tools and bump to dotnet 10Other than that, I think we're good enough to release this soon!Here's the release, grab the bits and pieces! <a href="https://github.com/AngelMunoz/Perla/releases/tag/v1.0.0-rc-003" rel="nofollow noopener" translate="no" target="_blank">https://github.com/AngelMunoz/Perla/releases/tag/v1.0.0-rc-003</a>Here's a sample application for you to check out <a href="https://github.com/AngelMunoz/FullPerla" rel="nofollow noopener" translate="no" target="_blank">https://github.com/AngelMunoz/FullPerla</a><a href="https://hachyderm.io/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a>

//devdigest⚡️ Call for Speakers at .NET Conf 2025 and JetBrains .NET Days🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4766" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4766</a>

simendsjoWhy doesn't <a href="https://fosstodon.org/tags/FSharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#FSharp</a> have macros?!I'm writing boilerplate which is a perfect fit at the moment. In <a href="https://fosstodon.org/tags/lisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#lisp</a>, this would have been trivial, and I'd been done a long time ago. Now I have to write *a lot* of noisy code, obstructing the main logic, increasing maintenance cost and potentially introducing bugs.A plea to PL designers: Give users power! We're not always incredibly stupid trying to shoot ourselves in the foot!

xUnit.netThe last core framework release was July 13. We definitely have enough for a new release next week. If you're so inclined, maybe pick up a CI build and test it before we ship and/or raise awareness of anything you want fixed. <a href="https://xunit.net/docs/using-ci-builds" rel="nofollow noopener" translate="no" target="_blank">https://xunit.net/docs/using-ci-builds</a><a href="https://dotnet.social/tags/DotNet" class="mention hashtag" rel="nofollow noopener" target="_blank">#DotNet</a> <a href="https://dotnet.social/tags/CSharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#CSharp</a> <a href="https://dotnet.social/tags/FSharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#FSharp</a> <a href="https://dotnet.social/tags/UnitTest" class="mention hashtag" rel="nofollow noopener" target="_blank">#UnitTest</a> <a href="https://dotnet.social/tags/TDD" class="mention hashtag" rel="nofollow noopener" target="_blank">#TDD</a>

Angel D. MunozThe "Real World Fable" repo's tests have been re-enabled, it was fairly simple to do <a href="https://github.com/AngelMunoz/real-world-fable/commit/5daff555fc7da1932ca07accbf2bd5f9680e090e" rel="nofollow noopener" translate="no" target="_blank">https://github.com/AngelMunoz/real-world-fable/commit/5daff555fc7da1932ca07accbf2bd5f9680e090e</a><a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://hachyderm.io/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://hachyderm.io/tags/realworldfable" class="mention hashtag" rel="nofollow noopener" target="_blank">#realworldfable</a>

Angel D. MunozPerla v1.0.0-beta-034 is out! New test runner support for client-side code Both the release and the docs have been updated!Heres the release, grab it while it's hot! <a href="https://github.com/AngelMunoz/Perla/releases/tag/v1.0.0-beta-034" rel="nofollow noopener" translate="no" target="_blank">https://github.com/AngelMunoz/Perla/releases/tag/v1.0.0-beta-034</a>Test docs have been updated as well with default support for qunit and mocha!<a href="https://angelmunoz.github.io/Perla/#v1/docs/features/testing" rel="nofollow noopener" translate="no" target="_blank">https://angelmunoz.github.io/Perla/#v1/docs/features/testing</a>There's a caveat though... NuGet won't allow us to push the nuget thanks to playwright's gigantic asset size (bumps up to 400mb) so for the moment we'll have to drop the dotnet tool. This is being tracked at <a href="https://github.com/AngelMunoz/Perla/issues/141" rel="nofollow noopener" translate="no" target="_blank">https://github.com/AngelMunoz/Perla/issues/141</a><a href="https://hachyderm.io/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://hachyderm.io/tags/testing" class="mention hashtag" rel="nofollow noopener" target="_blank">#testing</a> <a href="https://hachyderm.io/tags/webdev" class="mention hashtag" rel="nofollow noopener" target="_blank">#webdev</a> <a href="https://hachyderm.io/tags/testrunner" class="mention hashtag" rel="nofollow noopener" target="_blank">#testrunner</a>

//devdigest⚡️ F# Weekly #31, 2025 and Aspire 9.4 Announced🏷️ <a href="https://mastodon.social/tags/devdigest" class="mention hashtag" rel="nofollow noopener" target="_blank">#devdigest</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://mastodon.social/tags/net" class="mention hashtag" rel="nofollow noopener" target="_blank">#net</a> <a href="https://mastodon.social/tags/fp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fp</a> <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a><a href="https://devdigest.today/goto/4746" rel="nofollow noopener" translate="no" target="_blank">https://devdigest.today/goto/4746</a>

Angel D. MunozMy Spectre Console Foo needs a bit of work, but the test runner is actually testing now with live changes 😌😮‍💨 I'm finally close enough to Perla v1... slow and steady <a href="https://hachyderm.io/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://hachyderm.io/tags/webdev" class="mention hashtag" rel="nofollow noopener" target="_blank">#webdev</a> <a href="https://hachyderm.io/tags/testrunner" class="mention hashtag" rel="nofollow noopener" target="_blank">#testrunner</a> <a href="https://hachyderm.io/tags/testing" class="mention hashtag" rel="nofollow noopener" target="_blank">#testing</a>

thinkbeforecodingFastoch 0.7.0 has now SVG support (for both client and server)<a href="https://www.nuget.org/packages/Fastoch/0.7.0" rel="nofollow noopener" translate="no" target="_blank">https://www.nuget.org/packages/Fastoch/0.7.0</a><a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a>

Angel D. MunozThere we go, it has been quite tense for me to get back and support somewhat of a test runner for JS files within the tool but looks like we're headed to a good place. Last time the problem was the bundle size massively increased when I included playwright in the tool 🥲<a href="https://hachyderm.io/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a> <a href="https://hachyderm.io/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://hachyderm.io/tags/webdev" class="mention hashtag" rel="nofollow noopener" target="_blank">#webdev</a> <a href="https://hachyderm.io/tags/testrunner" class="mention hashtag" rel="nofollow noopener" target="_blank">#testrunner</a>

thinkbeforecodingFastoch and Fastoch.Server 0.6.0 are out, now with Hot Module Reloading directly integrated in server.<a href="https://www.nuget.org/packages/Fastoch.Server/0.6.0" rel="nofollow noopener" translate="no" target="_blank">https://www.nuget.org/packages/Fastoch.Server/0.6.0</a>Fastoch is a virtual DOM for <a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> Elmish with minimal dependencies. Fastoch.Server provides server side rendering and provide HMR for Fastoch.<a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a>

thinkbeforecodingWith Fastoch.Server 0.6.0-beta, enjoy Hot Module Reloading without vite/webpack/parcel.<a href="https://www.nuget.org/packages/Fastoch.Server/0.6.0-beta" rel="nofollow noopener" translate="no" target="_blank">https://www.nuget.org/packages/Fastoch.Server/0.6.0-beta</a>Develop server/client side rendering with a fast and powerful setup, for a super fluid workflow.<a href="https://mastodon.social/tags/fsharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#fsharp</a> <a href="https://mastodon.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#dotnet</a>

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