The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference
by Nicolai M. Josuttis, Addison-Wesley, 1999
© Copyright Nicolai M. Josuttis 1999
#include "algostuff.hpp"
using namespace std;
// checks whether an element is even or odd
bool checkEven (int elem, bool even)
{
if (even) {
return elem % 2 == 0;
}
else {
return elem % 2 == 1;
}
}
int main()
{
vector<int> coll;
INSERT_ELEMENTS(coll,1,9);
PRINT_ELEMENTS(coll,"coll: ");
/* arguments for checkEven()
* - check for: ``even odd even''
*/
bool checkEvenArgs[3] = { true, false, true };
// search first subrange in coll
vector<int>::iterator pos;
pos = search (coll.begin(), coll.end(), // range
checkEvenArgs, checkEvenArgs+3, // subrange values
checkEven); // subrange criterion
// loop while subrange found
while (pos != coll.end()) {
// print position of first element
cout << "subrange found starting with element "
<< distance(coll.begin(),pos) + 1
<< endl;
// search next subrange in coll
pos = search (++pos, coll.end(), // range
checkEvenArgs, checkEvenArgs+3, // subr. values
checkEven); // subr. criterion
}
}