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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. std::string f(std::string *p) {
  5.   return *p;
  6. }
  7.  
  8. int main() {
  9.   std::string s[] = {std::string("abc"), std::string("def"), std::string("xyz") };
  10.  
  11.   std::vector<std::string *> a;
  12.   for (int i = 0; i < 3; i++)
  13.     a.push_back(&s[i]);
  14.  
  15.   std::vector<std::string *>::iterator p;
  16.   std::vector<std::string *> *list;
  17.  
  18.   list = &a;
  19.   std::cout << "a.size() = " << a.size() << std::endl;
  20.   for (unsigned int i = 0; i < a.size(); i++) {
  21.     std::cout << "i = " << i << " : " << *a.at(i) << std::endl;
  22.     std::cout << f((*list)[i]) << std::endl;
  23.     std::cout << f((*list).at(i)) << std::endl;
  24.     std::cout << f(list->at(i)) << std::endl;
  25. //    std::cout << f(list->at[i]) << std::endl;
  26.     p++;
  27.   }
  28.   return 0;
  29. }
  30. /* end */
Success #stdin #stdout 0s 4384KB
comments (?)
stdin 
Standard input is empty
stdout 
a.size() = 3
i = 0 : abc
abc
abc
abc
i = 1 : def
def
def
def
i = 2 : xyz
xyz
xyz
xyz
https://ideone.com/ripLji
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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