fuzzt 0.3.1

Implementations of string similarity metrics. Includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro, Jaro-Winkler, and Sørensen-Dice.
Documentation 
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use super::StringProcessor;

pub struct LowerAlphaNumStringProcessor;
pub struct NullStringProcessor;

impl StringProcessor for LowerAlphaNumStringProcessor {
    fn process(&self, input: &str) -> String {
        let processed: String = input
            .chars()
            .filter(|c| c.is_alphanumeric() || c.is_whitespace())
            .collect::<String>()
            .trim()
            .to_lowercase();
        processed
    }
}

impl StringProcessor for NullStringProcessor {
    fn process(&self, input: &str) -> String {
        input.to_owned()
    }
}