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  1. //
  2. //  main.cpp
  3. //
  4. //  Created by Rogiel Sulzbach on 7/22/14.
  5. //  Copyright (c) 2014 Rogiel Sulzbach. All rights reserved.
  6. //
  7. //  http://w...content-available-to-author-only...l.com/
  8. //
  9.  
  10. #include <iostream>
  11. #include <vector>
  12.  
  13. /**
  14.  * Base class for the template
  15.  */
  16. class MyBaseClass {
  17. public:
  18.     /**
  19.      * Prints the value to the console
  20.      */
  21.     virtual void print() = 0;
  22. };
  23.  
  24. /**
  25.  * A template that holds a value
  26.  * @tparam T the value type
  27.  */
  28. template<typename T>
  29. class MyTemplatedClass : public MyBaseClass {
  30. private:
  31.     /**
  32.      * The value storage
  33.      */
  34.     T value;
  35.  
  36. public:
  37.     /**
  38.      * Creates a new instance
  39.      *
  40.      * @param value the value
  41.      */
  42.     MyTemplatedClass(T value) : value(value) {
  43.     };
  44.  
  45.     // implementation
  46.     virtual void print() {
  47.         std::cout << value << std::endl;
  48.     }
  49.  
  50. };
  51.  
  52. int main(int argc, const char * argv[]) {
  53.     // creates two objects
  54.     MyTemplatedClass<std::string> myObj1("Hello World!");
  55.     MyTemplatedClass<int> myObj2(1000);
  56.  
  57.     // inserts the two objects into a vector
  58.     std::vector<MyBaseClass*> myVector;
  59.     myVector.insert(myVector.end(), &myObj1);
  60.     myVector.insert(myVector.end(), &myObj2);
  61.  
  62.     // iterate them and call print()
  63.     for(auto obj : myVector) {
  64.         obj->print();
  65.     }
  66.  
  67.     // profit.
  68.     return 0;
  69. }
  70.  
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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Hello World!
1000
https://ideone.com/aXulhE
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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