Trait ExtractUserData

Source
pub trait ExtractUserData {
    // Required methods
    fn extract_sender(&self) -> Sender;
    fn user_data_raw(&self) -> &dyn UserData;
    fn user_data_owned(&self) -> OwnedUserData;

    // Provided method
    fn user_data<T: UserData>(&self) -> Option<&T> { ... }
}

Required Methods§

Provided Methods§

Source

fn user_data<T: UserData>(&self) -> Option<&T>

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§