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#include <cstdio>
struct Color
{
unsigned int r;
unsigned int g;
unsigned int b;
unsigned int opacity;
Color &operator=(const Color &c) = default;
bool operator==(const Color &c) const = default;
Color(const Color &c) = default;
Color() = default;
};
struct Color2
{
unsigned int r;
unsigned int g;
unsigned int b;
unsigned int opacity;
Color2 &operator=(const Color2 &c) {
r=c.r;
g=c.g;
b=c.b;
opacity =c.opacity;
return *this;
}
bool operator==(const Color2 &c) const {
return c.b == b;
}
};
int main()
{
Color c;
c.r = 3;
Color c2;
c2 = c;
Color c3(c2);
Color2 otherType;
Color2 otherType2;
otherType2 = otherType;
printf("C2.r %d\n", c2.r);
printf("C3.r %d\n", c3.r);
}
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