Generic type parameters

[jimouris]

Can I have a generic type as a parameter to the service?

#[tarpc::service]
trait Service<T> {

async fn hello(name: T) -> String;
}

or maybe as

#[tarpc::service]
trait Service {

async fn hello<T>(name: T) -> String;
}

?

Thanks

[tikue]

Unfortunately no :( I haven't made any progress on this since filing #257.

[jimouris]

Oh, no problem, thank you for your quick response! I also see that defining custom types inside the trait is not allowed. Is there any way around that or is it just a blocker for now?

[jimouris]

Also, please feel free to close this issue since it's a duplicate of #257.

[tikue]

Oh, no problem, thank you for your quick response! I also see that defining custom types inside the trait is not allowed. Is there any way around that or is it just a blocker for now?

I think it's essentially a blocker. RPC services can't be generic over types at all, whether that's a type parameter on the trait or an associated type in the trait.

Closing in favor of #257 but feel free to comment more there!