Ptt 大爆卦 | C++ string - 前往 https://stackoverflow.com/questions/8107826/proper-way-to-empty-a-c-string

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並前往https://stackoverflow.com/questions/8107826/proper-way-to-empty-a-c-string

Proper way to empty a C-String - Stack Overflow

It depends on what you mean by "empty". If you just want a zero-length string, then your example will work. This will also work:

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