{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"self.visit_closure_binder(binder);"}]}
                self.visit_closure_binder(binder);
            FnKind::Closure(binder, Some(coroutine_kind), decl, body) => {
                visit::walk_fn_decl(self, decl);