{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":".with_span_label(in_expr.span,"}]}
                    .with_span_label(in_expr.span, format!("type `{in_expr_ty}`"))
                    .struct_span_err(vec![in_expr.span, expr.span], msg)
                    .with_span_label(expr.span, format!("type `{ty}`"))