new函數的底層實現

舉個栗子：Complex* pc = new Complex(1, 2); 此處new稱爲表達式或運算符new，編譯器將其轉化爲一下代碼：javascript Complex* pc; try { void* mem = operator new(sizeof(Complex)); // 底層調用malloc函數分配內存 pc = static_cast<Complex*>(me

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