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c unsigned类型提升

Haojian Wu edited this page Oct 31, 2013 · 1 revision

C++赋值和表达式中,整型和浮点类型可以混合使用,在计算表达式时,会先转换到同一类型再计算。

二元运算符转换规则: 如果某个对象是unsgined类型,另外一个对象也转换成unsigned类型。

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