Method upper

regex/regex-syntax/src/hir/mod.rs:984–984

(&self)

    #[inline] fn lower(&self) -> char { self.start }
    #[inline] fn upper(&self) -> char { self.end }
    #[inline] fn set_lower(&mut self, bound: char) { self.start = bound; }
    #[inline] fn set_upper(&mut self, bound: char) { self.end = bound; }