Struct ChainLoader 

pub struct ChainLoader<L1, L2>(/* private fields */);

• ChainLoader: loads document from the first loader, otherwise falls back to the second one.

This can be useful for combining, for example, an FsLoader for loading some contexts from a local cache, and a ReqwestLoader for loading any other context from the web.

Note that it is also possible to nest several ChainLoaders, to combine more than two loaders.

Implementations

impl<L1, L2> ChainLoader<L1, L2>

pub fn new(l1: L1, l2: L2) -> Self

Build a new chain loader

Trait Implementations

impl<L1: Clone, L2: Clone> Clone for ChainLoader<L1, L2>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<L1: Debug, L2: Debug> Debug for ChainLoader<L1, L2>

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

Formats the value using the given formatter.

impl<L1, L2> Loader for ChainLoader<L1, L2>

where L1: Loader, L2: Loader,

type Error = ChainError<<L1 as Loader>::Error, <L2 as Loader>::Error>

Loader-specific error type.

async fn load( &self, url: Iri<&str>, ) -> Result<RemoteDocument<IriBuf>, LoadError<Self::Error>>

Loads the document behind the given IRI.

async fn load_with<V>( &self, vocabulary: &mut V, url: V::Iri, ) -> LoadingResult<V::Iri, Self::Error>

where V: IriVocabularyMut, V::Iri: Clone + Eq + Hash,

Loads the document behind the given IRI, using the given vocabulary.