Struct KeywordRetriever 

pub struct KeywordRetriever { /* private fields */ }

BM25-style keyword retriever for in-memory text search.

Scores documents using term frequency and inverse document frequency.

Implementations

impl KeywordRetriever

pub fn new() -> Self

Create a new empty keyword retriever.

pub fn add(&mut self, doc: Document)

Add a document to the index.

pub fn add_many(&mut self, docs: impl IntoIterator<Item = Document>)

Add multiple documents to the index.

Trait Implementations

impl Default for KeywordRetriever

fn default() -> Self

Returns the “default value” for a type.

impl Retriever for KeywordRetriever

fn retrieve<'life0, 'life1, 'async_trait>( &'life0 self, query: &'life1 str, limit: usize, ) -> Pin<Box<dyn Future<Output = Result<Vec<Document>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Retrieve relevant documents for a query.