Enum vs Strongly typed enum

Question

I am a beginner in C++ programming.

Today I come across a new topic: strongly typed enum. I\'ve researched it a bit but till now I am unable to find ou

Answer 1

Enum Scope

Enumerations export their enumerators to the surrounding scope. This has two drawbacks. First, it can lead to name clashes, if two enumerators in different enums declared in the same scope have the same name; second, it's not possible to use an enumerator with a fully qualified name, including the enum name.

enum ESet {a0, a, a1, b1, c3};
enum EAlpha{a, b, c}

select = ESet::a; // error
select = a;       // is ambigious