Struct bm::DynBackend

pub struct DynBackend<Ba: Backend>(pub Ba);

Dynamic backend, where error is stripped.

Trait Implementations

impl<Ba: Backend> Backend for DynBackend<Ba>

type Construct = Ba::Construct

Construct of the backend.

type Error = ()

Error type for DB access.

impl<Ba: ReadBackend> ReadBackend for DynBackend<Ba>

fn get(
    &mut self,
    key: &<Self::Construct as Construct>::Value
) -> Result<Option<(<Self::Construct as Construct>::Value, <Self::Construct as Construct>::Value)>, Self::Error>

Get an internal item by key.

impl<Ba: WriteBackend> WriteBackend for DynBackend<Ba>

fn rootify(
    &mut self,
    key: &<Self::Construct as Construct>::Value
) -> Result<(), Self::Error>

Rootify a key.

fn unrootify(
    &mut self,
    key: &<Self::Construct as Construct>::Value
) -> Result<(), Self::Error>

Unrootify a key.

fn insert(
    &mut self,
    key: <Self::Construct as Construct>::Value,
    value: (<Self::Construct as Construct>::Value, <Self::Construct as Construct>::Value)
) -> Result<(), Self::Error>

Insert a new internal item. None indicating that we do not know what the internal item is.

impl<Ba: Clone + Backend> Clone for DynBackend<Ba>

fn clone(&self) -> DynBackend<Ba>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<Ba: Default + Backend> Default for DynBackend<Ba>

fn default() -> DynBackend<Ba>

Returns the "default value" for a type.

impl<Ba: Backend> DerefMut for DynBackend<Ba>

fn deref_mut(&mut self) -> &mut Ba

Mutably dereferences the value.

impl<Ba: Debug + Backend> Debug for DynBackend<Ba>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<Ba: Backend> Deref for DynBackend<Ba>

type Target = Ba

The resulting type after dereferencing.

fn deref(&self) -> &Ba

Dereferences the value.