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uni-m.cds-adv-prog/ex8.2/main.cpp

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#include <iostream>
#include "Employee.hh"
#include "Manager.hh"
void populate_directory( set<Employee*>& directory ) {
// Ownership of caller
Employee* wouter = new Employee( "Wouter" , 2);
Employee* ivo = new Employee( "Ivo", 3);
Manager* stan = new Manager("Stan", 4);
Manager* jo = new Manager("Jo", 5);
Manager* frank = new Manager("Frank", 6);
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stan->addSubordinate( *wouter );
stan->addSubordinate( *ivo );
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directory.insert( stan );
directory.insert( wouter );
// This does not give a problem because stan is also of type Employee
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frank->addSubordinate( *stan );
frank->addSubordinate( *jo );
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directory.insert( wouter );
directory.insert( ivo );
directory.insert( stan );
directory.insert( jo );
directory.insert( frank );
}
/*
* Without the virtual keyword in front of Employee:businessCard(),
* this function only gives the Employee type of businessCard(), instead of the Manager's variant if applicable
*/
void printAllCards( const set<Employee*>::iterator begin, const set<Employee*>::iterator end) {
for ( auto it = begin ; it != end ; ++it ) {
(*it)->businessCard();
std::cout << std::endl;
}
}
int main() {
set<Employee*> directory;
populate_directory( directory );
printAllCards( directory.begin(), directory.end() );
// Delete the contents of the directory
for ( auto it = directory.begin() ; it != directory.end() ; ++it ) {
delete (*it);
}
return 0;
}