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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. class NAME
  5. {
  6. public:
  7. 	int value;
  8.  
  9.     void f()
  10.     {
  11.         std::cout << "f() this=" << static_cast<void*>(this) << " value=" << value << std::endl;
  12.     }
  13.  
  14.     NAME() : value(12345)
  15.     {
  16.         std::cout << "default constructor, this=" << static_cast<void*>(this) << std::endl;
  17.     }
  18.  
  19.     NAME(const NAME &src) : value(src.value)
  20.     {
  21.         std::cout << "copy constructor, src=" << static_cast<const void*>(&src) << " this=" << static_cast<void*>(this) << std::endl;
  22.     }
  23. };
  24.  
  25. int main()
  26. {
  27.    std::cout << "Hello World" << std::endl; 
  28.  
  29.    NAME n;
  30.    std::cout << "&n=" << static_cast<void*>(&n) << std::endl; 
  31.  
  32.    std::function<void ()> callable = std::bind(&NAME::f, &n);
  33.    callable();
  34.  
  35.    std::function<void ()> callable2 = std::bind(&NAME::f, n);
  36.    callable2();
  37.  
  38.    return 0;
  39. }
Success #stdin #stdout 0s 5640KB
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stdin
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Standard input is empty
stdout
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Hello World
default constructor, this=0x7ffcd8bc4a7c
&n=0x7ffcd8bc4a7c
f() this=0x7ffcd8bc4a7c value=12345
copy constructor, src=0x7ffcd8bc4a7c this=0x7ffcd8bc4a90
copy constructor, src=0x7ffcd8bc4a90 this=0x559cddf12eb0
f() this=0x559cddf12eb0 value=12345
https://ideone.com/MxN29P
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
public

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