pub trait BackendExt: Backend {
// Provided method
fn extend<T>(self, other: T) -> CombinedBackend<Self, T>
where T: Backend,
Self: Sized { ... }
}
pub trait BackendExt: Backend {
// Provided method
fn extend<T>(self, other: T) -> CombinedBackend<Self, T>
where T: Backend,
Self: Sized { ... }
}