/// Produces a string from a given list of possible values which is similar to
/// the passed in value `v` with a certain confidence.
/// Thus in a list of possible values like ["foo", "bar"], the value "fop" will yield
/// `Some("foo")`, whereas "blark" would yield `None`.
///
/// Originally from [clap] which is Copyright (c) 2015-2016 Kevin B. Knapp
///
/// [clap]: https://github.com/kbknapp/clap-rs/blob/dc7ae65fb784dc355d56f09554f1216b22755c3e/src/suggestions.rs
Produces a string from a given list of possible values which is similar to
the passed in value `v` with a certain confidence.

Originally from [clap] which is Copyright (c) 2015-2016 Kevin B. Knapp


Produces a string from a given list of possible values which is similar to the passed in value ` v ` with a certain confidence . Originally from [ clap ] which is Copyright ( c ) 2015 - 2016 Kevin B . Knapp
pub fn did_you_mean<'a, T: ?Sized, I>(v: &str, possible_values: I) -> Option<&'a str>
where
    T: AsRef<str> + 'a,
    I: IntoIterator<Item = &'a T>,
{
    extern crate strsim;
    let mut candidate: Option<(f64, &str)> = None;
    for pv in possible_values {
        let confidence = strsim::jaro_winkler(v, pv.as_ref());
        if confidence > 0.8 && (candidate.is_none() || (candidate.as_ref().unwrap().0 < confidence))
        {
            candidate = Some((confidence, pv.as_ref()));
        }
    }
    match candidate {
        None => None,
        Some((_, candidate)) => Some(candidate),
    }
}
pub fn did_you_mean < ' a , T : ? Sized , I > ( v : & str , possible_values : I ) -> Option < & ' a str > where T : AsRef < str > + ' a , I : IntoIterator < Item = & ' a T > , { extern crate strsim ; let mut candidate : Option < ( f64 , & str ) > = None ; for pv in possible_values { let confidence = strsim :: jaro_winkler ( v , pv . as_ref ( ) ) ; if confidence > 0.8 && ( candidate . is_none ( ) || ( candidate . as_ref ( ) . unwrap ( ) . 0 < confidence ) ) { candidate = Some ( ( confidence , pv . as_ref ( ) ) ) ; } } match candidate { None => None , Some ( ( _ , candidate ) ) => Some ( candidate ) , } }
Produces a string from a given list of possible values which is similar to
the passed in value `v` with a certain confidence.
Produces a string from a given list of possible values which is similar to the passed in value ` v ` with a certain confidence .
v
&str
possible_values
I