Recursive types in rust can't compile.

Q&A (please complete the following information)

• OS: Fedora 39
• Browser: Firefox
• Version:
• Method of installation: docker
• Swagger-Editor version: [e.g. 3.10.0]
• Swagger/OpenAPI version: [Swagger 2.0, ]

Content & configuration

I will not share our yaml, as it can contain confidential information I am not allowed to share.

Describe the bug you're encountering

There are a couple of issues with the rust code generation.
Firstly when there is a recursive type, in our case three structs that reference each other. The rust compiler complains that there is an infinite size.
This can be easily solved by adding a Box<> around those members.

To reproduce...

Steps to reproduce the behavior:

1. Make a yaml with a circular reference within its models
2. Generate a rust client
3. Try to build
4. See compiler error

Expected behavior

I expect the rust client generator to generate working code.

Additional context or thoughts

Start with the Rust client generator and reproduce the issue using a minimal YAML model with circular references, as described in the reproduction steps. Build the generated client to confirm the compiler error; done means recursive models generate working Rust code that compiles.