File: deleter.cc

package info (click to toggle)
c%2B%2B-annotations 13.02.02-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 13,576 kB
  • sloc: cpp: 25,297; makefile: 1,523; ansic: 165; sh: 126; perl: 90; fortran: 27
file content (27 lines) | stat: -rw-r--r-- 727 bytes parent folder | download | duplicates (2) 
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
 
    #include <string>
    #include <memory>
    using namespace std;

    struct Deleter
    {
        size_t d_size;
        Deleter(size_t size = 0)
        :
            d_size(size)
        {}
        void operator()(string **ptr) const
        {
            for (size_t idx = 0; idx < d_size; ++idx)
                delete ptr[idx];
            delete[] ptr;
        }
    };
    int main()
    {
        unique_ptr<string *, Deleter> sp2{ new string *[10](),
                                           Deleter{ 10 } };

                                        // for illustration purposes:
                                        // retrieving the Deleter
        [[maybe_unused]] Deleter &obj = sp2.get_deleter();
    }