Standard C++ Library Class Reference

#include <algorithm>
#include <vector>
#include <iterator>
#include <iostream.h>
template<class Arg>
struct all_true : public unary_function<Arg, bool>
{
bool operator() (const Arg&) { return 1; }
};
int main ()
{
//
// Initialize a vector with an array of integers.
//
int arr[10] = { 1,2,3,4,5,6,7,8,9,10 };
vector<int> v(arr+0, arr+10);
//
// Print out original vector.
//
cout << "The original list: " << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int>(cout," "));
cout << endl << endl;
//
// Replace the number 7 with 11.
//
replace(v.begin(), v.end(), 7, 11);
//
// Print out vector with 7 replaced.
//
cout << "List after replace:" << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int>(cout," "));
cout << endl << endl;
//
// Replace 1 2 3 with 13 13 13.
//
replace_if(v.begin(), v.begin()+3, all_true<int>(), 13);
//
// Print out the remaining vector.
//
cout << "List after replace_if:" << endl << " ";
copy(v.begin(), v.end(), ostream_iterator<int>(cout," "));
cout << endl << endl;
//
// Replace those 13s with 17s on output.
//
cout << "List using replace_copy to cout:" << endl << " ";
replace_copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "),
13, 17);
cout << endl << endl;
//
// A simple example of replace_copy_if.
//
cout << "List w/ all elements output as 19s:" << endl << " ";
replace_copy_if(v.begin(), v.end(), ostream_iterator<int>(cout,
" "),
all_true<int>(), 19);
cout << endl;
return 0;