Class CaptureNames

regex/src/re_unicode.rs:752–752

An iterator over the names of all possible captures. `None` indicates an unnamed capture; the first element (capture 0, the whole matched region) is always unnamed. `'r` is the lifetime of the compiled regular expression.

///
/// `'r` is the lifetime of the compiled regular expression.
pub struct CaptureNames<'r>(::std::slice::Iter<'r, Option<String>>);

impl<'r> Iterator for CaptureNames<'r> {
    type Item = Option<&'r str>;