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Not heresy at all. Everyone I know that has used it, including myself, really likes it. Yet no one I know has ever used it a real production environment. I gues

by ydt 9y ago

Not heresy at all. Everyone I know that has used it, including myself, really likes it. Yet no one I know has ever used it a real production environment. I guess it has some traction in financial circles, but that's about it. Maybe .NET going cross-platform will lead to some adoption.

jackfoxy 9y ago
We at Tachyus use it as the main server-side language in our production environment. Also on Linux/Mono. Jet uses it, and they were bought by WalMart for > $1B. There is no problem running in production. In fact, there is a noticeable lack of problems running in production.
lzybkr 9y ago
It's used in production for Microsoft Security Risk Detection - here is a good blog post describing how F# is used: https://blogs.msdn.microsoft.com/dotnet/2016/12/13/project-springfield-a-cloud-service-built-entirely-in-f/ https://blogs.msdn.microsoft.com/dotnet/2016/12/13/project-s...
DanielBMarkham 9y ago
It's used in production in a ton of places, although that's only 1-2% probably. Still a lot. And the numbers are growing.
neilsimp1 9y ago
I'm pretty sure https://jet.com/ https://jet.com/ uses F# for their price calculations.
gecko 9y ago
Kiln, Fog Creek's old Git/Mercurial hosting environment, had major components written in F#. Those components honestly were probably the only genuinely bug-free parts of the code base (though I think that had as much to do with developers self-selecting to work on those areas as it did to do with using F# as such).
platz 9y ago
same thoughts; some legacy things irk me a bit though, like the inefficiency of async
Nelkins 9y ago
Elastic uses it for their Windows/.NET pipeline[1]! And Kaggle, and Credit Suisse, and...[2] [1] https://www.elastic.co/blog/solidifying-releases-with-fsharp-make https://www.elastic.co/blog/solidifying-releases-with-fsharp... [2] http://fsharp.org/testimonials/ http://fsharp.org/testimonials/

by ydt 9y ago

jackfoxy 9y ago

We at Tachyus use it as the main server-side language in our production environment. Also on Linux/Mono. Jet uses it, and they were bought by WalMart for > $1B. There is no problem running in production. In fact, there is a noticeable lack of problems running in production.

lzybkr 9y ago

It's used in production for Microsoft Security Risk Detection - here is a good blog post describing how F# is used: https://blogs.msdn.microsoft.com/dotnet/2016/12/13/project-springfield-a-cloud-service-built-entirely-in-f/ https://blogs.msdn.microsoft.com/dotnet/2016/12/13/project-s...

DanielBMarkham 9y ago

It's used in production in a ton of places, although that's only 1-2% probably. Still a lot. And the numbers are growing.

neilsimp1 9y ago

I'm pretty sure https://jet.com/ https://jet.com/ uses F# for their price calculations.

gecko 9y ago

Kiln, Fog Creek's old Git/Mercurial hosting environment, had major components written in F#. Those components honestly were probably the only genuinely bug-free parts of the code base (though I think that had as much to do with developers self-selecting to work on those areas as it did to do with using F# as such).

platz 9y ago

same thoughts; some legacy things irk me a bit though, like the inefficiency of async

Nelkins 9y ago

Elastic uses it for their Windows/.NET pipeline[1]! And Kaggle, and Credit Suisse, and...[2] [1] https://www.elastic.co/blog/solidifying-releases-with-fsharp-make https://www.elastic.co/blog/solidifying-releases-with-fsharp... [2] http://fsharp.org/testimonials/ http://fsharp.org/testimonials/