lapce-plugin-rust

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Currently, one can respond to a request (received in handle_request) by using object_to_stdout, but that is a poor API. Here's my idea of the function definition for responding:

/// `T` is the type of the request you're responding to
fn send_response<T: Request>(id: u64, params: T::Result);

So, knowing the request type (which they can presumably do), it enforces that the resulting type you send back is correct.