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

Values of enum class is really of type enum class, not underlying_type as for C-enums.

enum xyz { a, b, c};
enum class xyz_c { d, f, e };

void f(xyz x)
{
}

void f_c(xyz_c x)
{
}

// OK.
f(0);
// OK for C++03 and C++11.
f(a);
// OK with C++11.
f(xyz::a);
// ERROR.
f_c(0);
// OK.
f_c(xyz_c::d);