Struct PorterStemmer 

pub struct PorterStemmer;

Simplified Porter Stemmer implementation.

This is a streamlined version of the classic Porter Stemmer algorithm, implementing the most common suffix removal rules from Steps 1-5.

Examples

use aprender::text::stem::{Stemmer, PorterStemmer};

let stemmer = PorterStemmer::new();

// Common suffixes
assert_eq!(stemmer.stem("running").expect("stem should succeed"), "run");
assert_eq!(stemmer.stem("flies").expect("stem should succeed"), "fli");
assert_eq!(stemmer.stem("studying").expect("stem should succeed"), "studi");

// Preserves short words
assert_eq!(stemmer.stem("sky").expect("stem should succeed"), "sky");
assert_eq!(stemmer.stem("is").expect("stem should succeed"), "is");

Implementations

impl PorterStemmer

pub fn new() -> PorterStemmer

Create a new Porter Stemmer.

Examples

use aprender::text::stem::PorterStemmer;

let stemmer = PorterStemmer::new();

Trait Implementations

impl Clone for PorterStemmer

fn clone(&self) -> PorterStemmer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PorterStemmer

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

Formats the value using the given formatter.

impl Default for PorterStemmer

fn default() -> PorterStemmer

Returns the “default value” for a type.

impl Stemmer for PorterStemmer

fn stem(&self, word: &str) -> Result<String, AprenderError>

Stem a single word to its root form.

fn stem_tokens<S>(&self, tokens: &[S]) -> Result<Vec<String>, AprenderError>

where S: AsRef<str>,

Stem multiple tokens.