{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"ast::BlockExpr(block_expr)"}]}
                ast::BlockExpr(block_expr) => {
                ast::Fn(fn_) => hl(sema, fn_.async_token(), fn_.body().map(ast::Expr::BlockExpr)),
                    let Some(async_token) = block_expr.async_token() else {