1 use hir::{self, Hir, HirKind};
59 pub fn visit<V: Visitor>(hir: &Hir, visitor: V) -> Result<V::Output, V::Err> {  in visit()
60     HeapVisitor::new().visit(hir, visitor)  in visit()
76     Repetition(&'a hir::Repetition),
79     Group(&'a hir::Group),
105         mut hir: &'a Hir,  in visit()
112             visitor.visit_pre(hir)?;  in visit()
113             if let Some(x) = self.induct(hir) {  in visit()
115                 self.stack.push((hir, x));  in visit()
116                 hir = child;  in visit()
121             visitor.visit_post(hir)?;  in visit()
136                     hir = x.child();  in visit()
149     fn induct(&mut self, hir: &'a Hir) -> Option<Frame<'a>> {  in induct()
150         match *hir.kind() {  in induct()
197             Frame::Repetition(rep) => &rep.hir,  in child()
198             Frame::Group(group) => &group.hir,  in child()