gwj / po_oopc · Commits

Commit bc4d0f585ba01b051c9383a1eed6fa04049289d6

Authored by Grzegorz Jabłoński
1 parent 1f755849

Updated Koenig lookup example

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Showing 1 changed file with 25 additions and 3 deletions
examples06/01-operator/operator.cpp
  View file @bc4d0f5
1 1 #include <iostream>
2 2  
  3 +namespace ours
  4 +{
  5 + class example
  6 + {
  7 + int a = 0;
  8 + friend std::ostream& operator<< (std::ostream& o, example a);
  9 + };
  10 +
  11 + std::ostream& operator<< (std::ostream& o, example a)
  12 + {
  13 + o << a.a;
  14 + return o;
  15 + }
  16 +}
  17 +
3 18 int main()
4 19 {
  20 + std::cout << 10;
  21 +
  22 + std::cout.operator<<(10);
  23 +
  24 + ours::example e,f,g;
  25 +
  26 + std::cout << e << f << g;
5 27  
6   -//std::cout << "ala\n" << "ola\n";
  28 + ((std::cout << e) << f) << g;
7 29  
8   -std::operator<<(std::operator<<(std::cout, "ala\n"), "ola\n");
  30 + ours::operator<<(ours::operator<<(ours::operator<<(std::cout,e),f),g);
9 31  
10   -}
11 32 \ No newline at end of file
  33 +}
... ...