{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"self.mark_span_with_reason(DesugaringKind::ForLoop,"}]}
            self.mark_span_with_reason(DesugaringKind::ForLoop, self.lower_span(e.span), None);
        let for_span =
        let head_span = self.mark_span_with_reason(DesugaringKind::ForLoop, head.span, None);