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docs(cpp): 补充 ch03 参数传递练习参考答案 #201
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Charliechen114514
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Sep 3, 2026
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嗯,这里可以补充一下,这是一种答案,但是实际上C++中,特别是在嵌入式里,很少会按值返回(当然现在C++17后NRVO强制了,其实这样写也OK)。编译器的行为约束从会倾向于移动(也就是把构造的资源不释放,从函数中直接把对象直接保留而不是销毁),但是返回值可能一些嵌入式的朋友会有疑问~,可以再补充下入参的引用形式~
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这个是建议哈,不构成阻塞