Enum Scorer 

pub enum Scorer {
    Bm25,
    Bm25Plus,
    Dirichlet,
}

Which scoring family answers a query.

Variants

Bm25

Okapi BM25, with no floor.

Bm25Plus

BM25 with a floor under each occurrence. The default; it leads plain BM25 at every granularity measured, see the README.

Dirichlet

Query likelihood with a Dirichlet prior.

Implementations

impl Scorer

pub fn token(self) -> &'static str

The name this scorer is asked for by, on a command line or in an environment variable.

pub fn parse(name: &str) -> Option<Self>

Read one from a name, or nothing when the name is not a scorer.

Trait Implementations

impl Clone for Scorer

fn clone(&self) -> Scorer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Scorer

impl Debug for Scorer

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

Formats the value using the given formatter.

impl Default for Scorer

fn default() -> Scorer

Returns the “default value” for a type.

impl Eq for Scorer

impl PartialEq for Scorer

fn eq(&self, other: &Scorer) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Scorer