Enum EitherProvider 

pub enum EitherProvider<P0, P1> {
    A(P0),
    B(P1),
}

A provider that is one of two types determined at runtime.

Data provider traits implemented by both P0 and P1 are implemented on EitherProvider<P0, P1>.

Variants

A(P0)

A value of type P0.

B(P1)

A value of type P1.

Trait Implementations

impl<M: DataMarker, P0: DataProvider<M>, P1: DataProvider<M>> DataProvider<M> for EitherProvider<P0, P1>

fn load(&self, req: DataRequest<'_>) -> Result<DataResponse<M>, DataError>

Query the provider for data, returning the result.

impl<P0: Debug, P1: Debug> Debug for EitherProvider<P0, P1>

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

Formats the value using the given formatter.

impl<M: DataMarker, P0: DryDataProvider<M>, P1: DryDataProvider<M>> DryDataProvider<M> for EitherProvider<P0, P1>

fn dry_load( &self, req: DataRequest<'_>, ) -> Result<DataResponseMetadata, DataError>

This method goes through the motions of load, but only returns the metadata.

impl<M: DynamicDataMarker, P0: DynamicDataProvider<M>, P1: DynamicDataProvider<M>> DynamicDataProvider<M> for EitherProvider<P0, P1>

fn load_data( &self, marker: DataMarkerInfo, req: DataRequest<'_>, ) -> Result<DataResponse<M>, DataError>

Query the provider for data, returning the result.

impl<M: DynamicDataMarker, P0: DynamicDryDataProvider<M>, P1: DynamicDryDataProvider<M>> DynamicDryDataProvider<M> for EitherProvider<P0, P1>

fn dry_load_data( &self, marker: DataMarkerInfo, req: DataRequest<'_>, ) -> Result<DataResponseMetadata, DataError>

This method goes through the motions of load_data, but only returns the metadata.

impl<M: DataMarker, P0: IterableDataProvider<M>, P1: IterableDataProvider<M>> IterableDataProvider<M> for EitherProvider<P0, P1>

fn iter_ids(&self) -> Result<BTreeSet<DataIdentifierCow<'_>>, DataError>

Returns a set of DataIdentifierCow.

impl<M: DynamicDataMarker, P0: IterableDynamicDataProvider<M>, P1: IterableDynamicDataProvider<M>> IterableDynamicDataProvider<M> for EitherProvider<P0, P1>

fn iter_ids_for_marker( &self, marker: DataMarkerInfo, ) -> Result<BTreeSet<DataIdentifierCow<'_>>, DataError>

Given a DataMarkerInfo, returns a set of DataIdentifierCow.