1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <iostream> 11 12// istream cin; 13 14#include <iostream> 15#include <cassert> 16 17int main() 18{ 19#if 0 20 std::cout << "Hello World!\n"; 21 int i; 22 std::cout << "Enter a number: "; 23 std::cin >> i; 24 std::cout << "The number is : " << i << '\n'; 25#else // 0 26 assert(std::cin.tie() == &std::cout); 27#endif 28} 29