1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#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 first1[] =
{
"alpha", "bravo", "charley", "delta", "echo",
"foxtrot", "golf", "hotel"
};
string first2[] =
{
"Alpha", "bravo", "Charley", "delta", "Echo",
"foxtrot", "Golf", "hotel"
};
string second[] =
{
"charley", "foxtrot", "hotel"
};
size_t n = sizeof(first1) / sizeof(string);
cout << "The elements of `second' are " <<
(includes(first1, first1 + n, second, second + 3) ? "" : "not")
<< " contained in the first sequence:\n"
"second is a subset of first1\n";
cout << "The elements of `first1' are " <<
(includes(second, second + 3, first1, first1 + n) ? "" : "not")
<< " contained in the second sequence\n";
cout << "The elements of `second' are " <<
(includes(first2, first2 + n, second, second + 3) ? "" : "not")
<< " contained in the first2 sequence\n";
cout << "Using case-insensitive comparison,\n"
"the elements of `second' are "
<<
(includes(first2, first2 + n, second, second + 3, CaseString{}) ?
"" : "not")
<< " contained in the first2 sequence\n";
}
/*
Displays:
The elements of `second' are contained in the first sequence:
second is a subset of first1
The elements of `first1' are not contained in the second sequence
The elements of `second' are not contained in the first2 sequence
Using case-insensitive comparison,
the elements of `second' are contained in the first2 sequence
*/
|
