Specifying the Size of an enum
Although each enum
defines a unique type, it is represented by one of the built-in integral types. Under the new standard, we may specify that type by following the enum
name with a colon and the name of the type we want to use:
enum intValues : unsigned long long { charTyp = 255, shortTyp = 65535, intTyp = 65535, longTyp = 4294967295UL, long_longTyp = 18446744073709551615ULL};
If we do not specify the underlying type, then by default scoped enum
s have int
as the underlying type. There is no default for unscoped enum
s; all we know is that the underlying type is large enough to hold the enumerator values. ...
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