Method shortest_dfa_reverse_suffix

regex/src/exec.rs:754–763

reduces constant overhead

(
        &self,
        text: &[u8],
        start: usize,
    )

    ///
    #[inline(always)] // reduces constant overhead
    fn shortest_dfa_reverse_suffix(
        &self,
        text: &[u8],
        start: usize,
    ) -> dfa::Result<usize> {
        match self.exec_dfa_reverse_suffix(text, start) {
            None => self.shortest_dfa(text, start),
            Some(r) => r.map(|(_, end)| end),
        }
    }

    /// Finds the end of the shortest match using only the DFA by scanning for
    /// suffix literals. It also reports the start of the match.