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There isn't any official Rust lang support

There's a community prototype <https://github.com/pulumi/pulumi/issues/3622#issuecomment-2711968678>

<@U02J3T6A8LB> Have you worked with it? Can I run providers with it?

I haven't, I don't know what its capable of, just that it was posted

<@U0ALYVCLX5W> You're not going to get much of a performance advantage with Rust, just FYI. The bottleneck on IaC performance is that you spend most of your time waiting for the upstream cloud API to respond.

It's more about ease of programming, using a powerful Rust type system, than performance aspect.

I would go with TypeScript then. It has a good type system.

<@U02FZC2RE0Y> But what if I want better type system? When Rust support will be officially added?

I would not expect Rust to be added in the foreseeable future. The maintenance overhead of adding another language is quite a bit for our engineering team. It means a lot more code to maintain, so in order for it to be worth the work, there has to be a large demand for the language.

However, we do have some community members who have added support for languages. There's Scala language support that one of our community members wrote: <https://github.com/VirtusLab/besom>

If you're interested in adding community-led Rust support, I can try to find you some resources on how to write a language host for Pulumi.

<@U02FZC2RE0Y> 

IaaC in any language on frontpage is misleading then.

Aren't you supporting 5 languages already? Idk, maybe adding new languages is easier than at the beginning.

Isn't this issue showing large demand for language?
<https://github.com/pulumi/pulumi/issues/3622|https://github.com/pulumi/pulumi/issues/3622>

What is language host? How is it different from prototype suggested before?
<https://github.com/pulumi/pulumi/issues/3622#issuecomment-2711968678|https://github.com/pulumi/pulumi/issues/3622#issuecomment-2711968678>

<@U02FZC2RE0Y> 

I'll be thankful if you'll try to find some resources on how to write language host for Pulumi.

So the community-created Pulumi Gestalt is a language host. You can tell this because the command uses `pulumi plugin install language...`: <https://github.com/andrzejressel/pulumi-gestalt>

This is the Java language plugin: <https://github.com/pulumi/pulumi-java/>

And then we have some additional resources in the developer documentation: <https://pulumi-developer-docs.readthedocs.io/latest/docs/architecture/languages.html>

Supporting all languages is a goal, we are moving towards it. We are not quite at a place in engineering where we think we're in a good position to support lots of community language well. Besom had a lot of support from us to get going, and I suspect any other language would need that help now as well. But it is something we care about and are working towards making easier.

<@U0ALYVCLX5W> good luck leveraging a "better" type system and still being able to use Providers for cloud platforms, where the APIs are pretty loose to begin with.