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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. class Module
  7. {
  8. private:
  9.    std::string code;
  10.    std::string name ;
  11.    std::string lect ;
  12.    int cwWeight ;
  13.    double exMark = 0.0; //initialised as 0
  14. public:
  15.    Module(const std::string& id, const std::string& title,
  16.           const std::string& lecturer, const int courseworkWeight)
  17.       :code(id), name(title),
  18.       lect(lecturer), cwWeight(courseworkWeight)
  19.    {
  20.       // other things
  21.    }
  22.    ~Module(){ std::cout << code << " Deleted..\n"; }
  23.    // getters for id
  24.    std::string getId()const { return code; }
  25.    // setter for exMark
  26.    void setExMark(const double newMark) { exMark = newMark; }
  27.    void print()const
  28.    {
  29.       std::cout << code << " " << name << " " << lect << " "
  30.          << " exMark: " << exMark << std::endl;
  31.    }
  32. };
  33.  
  34.  
  35. int main()
  36. {
  37.    std::vector<Module*> moduleVector
  38.    {
  39.       new Module("one", "title 1", "lecture 1", 1),
  40.       new Module("two", "title 2", "lecture 2", 2),
  41.       new Module("three", "title 3", "lecture 3", 3)
  42.    };
  43.    // id from file which has to be compared
  44.    std::string idFromFile = "two";
  45.    // condition
  46.    auto Condition = [&idFromFile](Module* element){ return element->getId() == idFromFile; };
  47.    auto iter = std::find_if(moduleVector.begin(), moduleVector.end(), Condition);
  48.    // if there is a match
  49.    if(iter != moduleVector.end())
  50.       (*iter)->setExMark(10.0);  // set the exMark
  51.    // ^^^^^^^^^
  52.    // to print
  53.    for(const Module* it: moduleVector)
  54.       it->print();
  55.  
  56.    for( Module* it: moduleVector) // delete 
  57.    {
  58.       delete it;
  59.    }
  60. 	return 0;
  61. }
  62.  
Success #stdin #stdout 0s 4348KB
comments (?)
stdin
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Standard input is empty
stdout
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one title 1 lecture 1  exMark: 0
two title 2 lecture 2  exMark: 10
three title 3 lecture 3  exMark: 0
one Deleted..
two Deleted..
three Deleted..
https://ideone.com/d2lpDB
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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