Method shortest_dfa

regex/src/exec.rs:746–748

reduces constant overhead

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

    /// Finds the end of the shortest match using only the DFA.
    #[inline(always)] // reduces constant overhead
    fn shortest_dfa(&self, text: &[u8], start: usize) -> dfa::Result<usize> {
        dfa::Fsm::forward(&self.ro.dfa, self.cache, true, text, start)
    }

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