summaryrefslogtreecommitdiff
path: root/userspace/cpp/testcpp.cpp
blob: 0e89276fbe1d4a8e6a03fc6db2ef59f1613d5247 (plain)
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
// constructing vectors
#include <iostream>
#include <vector>
#include <cstring>
#include <reent.h>

//#undef _REENT_GLOBAL_STDIO_STREAMS 

int main()
{
  _REENT_INIT_PTR(_impure_ptr);


    

      // constructors used in the same order as described above:
  std::vector<int> first;                                // empty vector of ints
  std::vector<int> second (4,100);                       // four ints with value 100
  std::vector<int> third (second.begin(),second.end());  // iterating through second
  std::vector<int> fourth (third);                       // a copy of third

  // the iterator constructor can also be used to construct from arrays:
  int myints[] = {16,2,77,29};
  std::vector<int> fifth (myints, myints + sizeof(myints) / sizeof(int) );

  std::cout << "The contents of fifth are:";
  for (std::vector<int>::iterator it = fifth.begin(); it != fifth.end(); ++it)
    std::cout << ' ' << *it;
  std::cout << '\n';



    return 0;
}