C++20's new `using enum` feature. Syntax and possible use cases.
#cppweekly #cplusplushttps://youtu.be/JM8F2DPm_0E
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I like the idea. Unfortunately, that syntax is already used for indicating the underlying type of the enum. Because integral types and enum types are both type identifiers, I suppose integral types could just be considered "valueless enums" in this context.
Like what if the base type is a u8, but you're adding so many extended values you want it to be u16? Can you cast from Derived to Base? What happens when Derived is out of Base's possible numbers? I see lots of problems yet to solve with this.