[ any isNil ifTrue: anyBlock ] bpattern
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这进一步说明，现在阿里想要的不只是能带队打榜的极客，而是能把技术塞进产品和业务、卖给客户的AI工程管理者……，详情可参考新收录的资料
We need indie bookstores that support books outside of the Big Five. But indie bookstores have struggled too, and many have shut down.
。业内人士推荐新收录的资料作为进阶阅读
Closures can reference variables from their enclosing scope. This is what distinguishes a closure from a plain function pointer — it “closes over” the environment where it was created.
The + operator concatenates strings:，更多细节参见新收录的资料