{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"Ok(exprs)"}]}
        Ok(exprs) if exprs.is_empty() || exprs.len() > 2 => {
    let mut exprs = match mac {
            let guar = cx.dcx().emit_err(errors::EnvTakesArgs { span: sp });