In order for the default value of an enum type to be easily available, the literal0 implicitly converts to any enum type. Thus, the following is permitted.
为了容易地利用枚举类型的默认值，0隐含地转化为任意的枚举类型。因此下面（注：的语句）允许的。
In order for the default value of an enum type to be easily available, the literal0 implicitly converts to any enum type. Thus, the following is permitted.
为了容易地利用枚举类型的默认值，0隐含地转化为任意的枚举类型。因此下面（注：的语句）允许的。
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