cp/cpptour/enumcls.cc

29 lines
581 B
C++

#include <iostream>
using namespace std;
enum class Color { red, blue, green };
enum class TraficLight { green, yellow, red };
TraficLight& operator++ (TraficLight& t)
{
switch (t)
{
case TraficLight::green:
return t = TraficLight::yellow;
case TraficLight::yellow:
return t = TraficLight::red;
case TraficLight::red:
return t = TraficLight::green;
}
}
int
main ()
{
Color col = Color::red;
TraficLight light = TraficLight::red;
TraficLight nxt = ++light;
// ugh now we test if it compiles? just wanna build some muscle memory
}