pr05002.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 32 行

////////////////////////////////////////
// File Name: pr05002.cpp
////////////////////////////////////////
#include <iostream>

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    // i is in scope in all of main().
    int i = 123;
    if (i > 0)
    {
        // j is in scope in all of the outer if statements,
        // which includes the program block that ends with
        // the brace immediately before the return statement.
        int j = 456;
        if (j > 0)
        {
            // k is in scope only within the inner if
            // statement, which extends to the next brace.
            int k = 789;

            // All 3 are in scope here.
            std::cout << i << ' ' << j << ' ' << k;
        }
    }

    return 0;
}