{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"if"}]}
            if let Some(first_adjust) = vec.first() {
        if let Some(vec) = self.cx.typeck_results().pat_adjustments().get(pat.hir_id) {
                debug!("pat_ty(pat={:?}) found adjustment `{:?}`", pat, first_adjust);