x.cpp

#include <iostream>

int a = 1;
int f(int i)
{
	std::cout << "f" << i;
	return i * 2;
}

int g(int x = f(a))
{
	return x * 10;
}

void test1(){
  a = 2;  // changes the value of ::a
	std::cout << "g:"<<  g();       // calls f(2), then calls g() with the result
  a = 3;  // changes the value of ::a
	std::cout << "g:"<<  g();       // calls f(2), then calls g() with the result
}


struct banana
{
int b;
static int a;
static int f(int i)
{
	std::cout << "f" << i;
	return i * 2;
}

int g(int x = f(banana::a)) // lookup for f finds ::f, lookup for a finds ::a
                     // the value of ::a, which is 1 at this point, is not used
{
	return x * 10;
}

void test2(){
	std::cout << "g:"<<  g();       // calls f(2), then calls g() with the result
  a *= 3;  // changes the value of ::a
	std::cout << "g:"<<  g();       // calls f(2), then calls g() with the result
}
};
int banana::a = 5;



*/

int main(int argc, char **argv)
{
(void)argc;(void)argv;
test1();
banana().test2();
std::cout << std::endl;
return 0;
}