{"ast_node_type":"import","tokens":[{"end":35,"kind":"keyword","start":0,"text":"use"}]}
        use rustc_ast::ExprKind::*;
    fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) {
        let (value, ctx, followed_by_block, left_pos, right_pos, is_kw) = match e.kind {