{"ast_node_type":"function","tokens":[{"end":71,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn closure_analyze(&self, body: &'tcx hir::Body<'tcx>) {
impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
        InferBorrowKindVisitor { fcx: self }.visit_body(body);