pub(crate) const fn dangling() -> Ptr<T, A> {
        Self {
            off: u64::MAX,
            marker: PhantomData,
        }
    }
/// Creates a new `Ptr` that is dangling.
Creates a new `Ptr` that is dangling.
Creates a new ` Ptr ` that is dangling .
pub(crate) const fn dangling() -> Ptr<T, A> {
        Self {
            off: u64::MAX,
            marker: PhantomData,
        }
    }
pub ( crate ) const fn dangling ( ) -> Ptr < T , A > { Self { off : u64 :: MAX , marker : PhantomData , } }
Creates a new `Ptr` that is dangling.
Creates a new ` Ptr ` that is dangling .