example1_block_scope.cpp

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
#include <iostream>

int main() {
    int x = 10;
    
    {
        int y = 20;
        std::cout << "Inside block: x = " << x << ", y = " << y << std::endl;
    }
    
    std::cout << "Outside block: x = " << x << std::endl;
    // std::cout << "y = " << y << std::endl;  // This would cause a compilation error
    
    return 0;
}