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#include <algorithm>
#include <string>
#include <cstring>
#include <iostream>
using namespace std;
class CaseString
{
public:
bool operator()(string const &first,
string const &second) const
{
return !strcasecmp(first.c_str(), second.c_str());
}
};
int main()
{
string first[] =
{
"Alpha", "bravo", "Charley", "delta", "Echo",
"foxtrot", "Golf", "hotel"
};
string second[] =
{
"alpha", "bravo", "charley", "delta", "echo",
"foxtrot", "golf", "hotel"
};
string *last = first + sizeof(first) / sizeof(string);
cout << "The elements of `first' and `second' are pairwise " <<
(equal(first, last, second) ? "equal" : "not equal") <<
'\n' <<
"compared case-insensitively, they are " <<
(
equal(first, last, second, CaseString{}) ?
"equal" : "not equal"
) << '\n';
}
/*
Displays:
The elements of `first' and `second' are pairwise not equal
compared case-insensitively, they are equal
*/
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