Type Alias email::backend::feature::BackendFeature

pub type BackendFeature<C, F> = Arc<dyn Fn(&C) -> Option<Box<F>> + Send + Sync>;

The backend feature.

A backend feature is a function that takes a reference to a backend context as parameter and returns a feature.

Aliased Type

struct BackendFeature<C, F> {
    ptr: NonNull<ArcInner<dyn Fn(&C) -> Option<Box<F>> + Send + Sync>>,
    phantom: PhantomData<ArcInner<dyn Fn(&C) -> Option<Box<F>> + Send + Sync>>,
    alloc: Global,
}

Fields

ptr: NonNull<ArcInner<dyn Fn(&C) -> Option<Box<F>> + Send + Sync>>

phantom: PhantomData<ArcInner<dyn Fn(&C) -> Option<Box<F>> + Send + Sync>>

alloc: Global