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c++ - What is the copy-and-swap idiom? - Stack Overflow
瀏覽:1307
日期:2025-12-06
Overview Why do we need the copy-and-swap idiom? Any class that manages a resource (a wrapper, like a smart pointer) needs to implement The Big Three. While the goals and implementation of the copy-constructor and destructor are straightforward, the copy ...看更多












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