In the interest of supplying information to the curious, the Rust equivalent is to use an Any trait object with down casting. https://doc.rust-lang.org/std/any

In the interest of supplying information to the curious, the Rust equivalent is to use an Any trait object with down casting. https://doc.rust-lang.org/std/any/index.html https://doc.rust-lang.org/std/any/index.html