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Pierre Irrmann

@pirrmann

F# dev and addict, trailing whitespace fighter

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12.11.2024
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Latest posts by Pierre Irrmann @pirrmann

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Performance Improvements in .NET 10 - .NET Blog Take a tour through hundreds of performance improvements in .NET 10.

Alright #dotnet - time to clear your calendars! @stephentoub.bsky.social's review of the huge swath of perf improvements in .NET 10 is LIVE!

devblogs.microsoft.com/dotnet/perfo...

10.09.2025 15:07 ๐Ÿ‘ 9 ๐Ÿ” 5 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

Anyone looking for a #fsharp developer part time? Piecemeal work, bug bounties or short project items?

30.08.2025 11:10 ๐Ÿ‘ 5 ๐Ÿ” 7 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

Overheard in the office: "If you're still using F# 8, you're F# late" ๐Ÿ˜‚

28.11.2024 13:47 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I just hope you'll feel better soon.

19.11.2024 18:55 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Here's an F# feed for you all!

#fsharp

17.11.2024 21:33 ๐Ÿ‘ 14 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Hello! I work fully in #fsharp in Geneva

19.11.2024 16:47 ๐Ÿ‘ 6 ๐Ÿ” 1 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Nullable Reference Types in F# 9 - .NET Blog Read about latest F# 9 feature, Nullable Reference Types

A long read dedicated to Nullable Reference Types in F# 9 was just published: devblogs.microsoft.com/dotnet/nulla...
It talks about history of nullability in F#, applicability of the new feature as well as new ways of dealing with null values in F# code.

14.11.2024 18:54 ๐Ÿ‘ 15 ๐Ÿ” 8 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

EXCLUSIVELY HERE:

We are publishing a long read on Nullable Reference Types in F# later this week.

Starting with history of nullability in F# until now and language features designed to avoid nulls in the first place.

Followign w/ NRT and related F# changes- declaration,handling,type inference.

12.11.2024 10:17 ๐Ÿ‘ 17 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1