Macro __controller_auto_register 

macro_rules! __controller_auto_register {
    ($name:expr, $type:ty) => { ... };
}

Helper macro for auto-registering controllers

This macro is used by the #[controller] derive macro to automatically register controller types at static initialization time using ctor. It handles both simple controllers (with parameterless new()) and IoC-enabled controllers (implementing IocControllable).