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  1. #include <iostream>
  2. #include <list>
  3. #include <algorithm>
  4.  
  5. using namespace std;
  6.  
  7. template<class T> class CList : public std::list<T>
  8.     {
  9.         public:
  10.  
  11.             template<class Pred> bool Contain(Pred p)
  12.             {
  13.                 return std::find_if(this->begin(), this->end(), p) != this->end();
  14.             }
  15.  
  16.  
  17.             bool Contain(const T & v)
  18.             {
  19.                 return std::find(this->begin(), this->end(), v) != this->end();
  20.             }
  21.     };
  22.  
  23. int main()
  24. {
  25.   CList<int>  a;
  26.   a.Contain([](auto i){ return i == 5; }); //ok
  27.   a.Contain(5);     //term does not evaluate to a function taking 1 arguments
  28. }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/0i6jPE
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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