unique2.cpp

unique2.cpp

#include ‹stl.h›

#include ‹iostream.h›

#include ‹string.h›

bool str_equal(const char* a_, const char* b_) {

 return ::strcmp(a_, b_) == 0 ? 1: 0;

}

char* labels[] = {"Q","Q","W","W","E","E","R","T","T","Y","Y"};

int main() {

 const unsigned count = sizeof(labels) / sizeof(labels[0]);

 ostream_iterator‹char*› iter(cout);

 copy(labels, labels + count, iter);

 cout ‹‹ endl;

 unique(labels, labels + count, str_equal);

 copy(labels, labels + count, iter);

 cout ‹‹ endl;

 return 0;

}