zetaoyang
V2EX  ›  C

int nClone(0); 赋值给 nClone ,为什么是对的?

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  •   zetaoyang · Nov 10, 2016 · 2184 views
    This topic created in 3501 days ago, the information mentioned may be changed or developed.

    int nClone(0); 和 int nClone = 0; 的具体区别是什么?

    2 replies    2016-11-10 18:04:11 +08:00
    kiwi95
        1
    kiwi95  
       Nov 10, 2016
    cpp 下面四种初始化方法:
    int units_sold = 0;
    int units_sold = {0};
    int units_sold{0};
    int units_sold(0);

    没有太多区别,只是大括号的初始化不能进行精度损失的初始化,如用 double 值初始化 int 变量,而小括号会自动截断
    zetaoyang
        2
    zetaoyang  
    OP
       Nov 10, 2016
    @kiwi95 感谢
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