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nicolas17/t1.cpp

Last active August 29, 2015 14:04
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t1.cpp
class Quux;
class Foo {
public:
void (Quux::*ptr)();
};
int main() {
Foo x;
printf("The pointer to member function is %d bytes\n", sizeof(x.ptr));
}
//output: The pointer to member function is 16 bytes
Raw
t2.cpp
class Quux {};
class Foo {
public:
void (Quux::*ptr)();
};
int main() {
Foo x;
printf("The pointer to member function is %d bytes\n", sizeof(x.ptr));
}
//output: The pointer to member function is 4 bytes
Raw
t3.cpp
class Quux;
class Foo {
public:
void (Quux::*ptr)();
};
class Quux{};
int main() {
Foo x;
printf("The pointer to member function is %d bytes\n", sizeof(x.ptr));
}
//output: The pointer to member function is 16 bytes
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