pub fn new(entry: EntryAt<E, A>) -> Self { 
        Self {
            entry,
            _marker: PhantomData,
        }
    }
/// Create an inner entry from an instance of the entry family.
Create an inner entry from an instance of the entry family.
Create an inner entry from an instance of the entry family .
pub fn new(entry: EntryAt<E, A>) -> Self { 
        Self {
            entry,
            _marker: PhantomData,
        }
    }
pub fn new ( entry : EntryAt < E , A > ) -> Self { Self { entry , _marker : PhantomData , } }
Create an inner entry from an instance of the entry family.
Create an inner entry from an instance of the entry family .
entry
EntryAt<E, A>