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限定名中使用了枚举“enum”无需指定枚举的名称

2009-12-14 13:08:16| 分类：程序理论 | 标签： |举报 |字号大中小订阅

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compiler warning (level 1) C4482
warning description:

使用了非标准扩展: 限定名中使用了枚举“enum”
当引用类型内的枚举时，无需指定枚举的名称。
文件范围的枚举定义相当于常量，也不需要限定名。

example: C4482(MS Visual Studio)

// C4482.cpp

// compile with: /c /W1

struct S {
enum E { a };
};

int i = S::E::a; // C4482

int j = S::a; // OK

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