find

C++ primer 4 书中源码

variable

//begin{find_word}
#include <string>
int main()
{
	// initialize a string to hold a word to search for 
	string search_word;
	cin >> search_word;
	
	// initialize a bool variable to false 
	bool found = false;
	
	string next_word;
	while ( cin >> next_word ) {
		if ( next_word == search_word )
		found = true;
	}
	
	//{ shorthand notation for: if ( found == true ) }
	if ( found )
		std::cout << "ok, we found the word" << std::endl;
	else 
		std::cout << "nope, the word was not present." << std::endl;

	return 0;
}
//end{find_word}