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Comment by matkoniecz | Hacker News Reader

Exactly - right now I write program in C#. Not because C# is cool or because I like its syntax but because it is what Unity supports.

It could be C++, if I would go with Unreal Engine.

I used Squirrel in past, solely because for some reason it was modding language of OpenTTD.

I am not fan of any of them, I am not an expert in any of them. But it was more effective that writing from scratch 3D engine or AI backend to use something else.

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Why not F#? :)

I love to write F# (I built FVim), but there's still gap towards high performance game programming. In C# you get a lot of low-level unsafe constructs with zero allocation overhead that integrates very well with the external libraries. In F#, you either get a clumsy library special form (without proper syntax support), or the idea itself is considered "only for C# interop uses" and thus not prioritized.

F# has been in this position: a smaller team that tries to align with C#, without a language implementation team backing them (unlike Roslyn-C#), yet constantly feeding innovations back into the dotnet ecosystem. You can see a lot of example where F# piloted the idea, and later C# adopted and extended it in its own way, and F# struggling to catch up in that OO-centric world

(Disclaimer: MS employee, but not on the language teams)

Why F#?

I need a good reason to use one more programming language and one more dependency.

Also, how many Unity examples and tutorials and knowledgeable people are using C# and how many F#?

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