{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"WalkExpandedExprCtx::new(sema)"}]}
    WalkExpandedExprCtx::new(sema)
    // it will exit the outside function instead of the block itself.
        .with_check_ctx(&WalkExpandedExprCtx::is_async_const_block_or_closure)