#include <iostream>

#include <memory>

using namespace std;

void foo(char ** mychar)

{

*mychar = new char{'a'};

}

std::unique_ptr<char> modernFoo()

{

//same as make_unique<char>('a');

//return std::unique_ptr<char> (new char{'a'});

return make_unique<char>('a');

}

bool modernFooWithBool(std::shared_ptr<char> & myvar)

{

try{

myvar = make_shared<char>('b');

}

catch( ...)

{

return false;

}

return true;

}

bool modernUniqueFooWithBool(std::unique_ptr<char> & myvar)

{

try{

myvar = make_unique<char>('c');

}

catch( ...)

{

return false;

}

return true;

}

bool modernUniqueMultiFooWithBool(std::unique_ptr<char> & myvar,std::unique_ptr<char> & myvar2)

{

try{

myvar = make_unique<char>('d');

myvar2 = make_unique<char>('e');

}

catch( ...)

{

return false;

}

return true;

}

int main(int argc, char *argv[])

{

char * t = nullptr;

foo(&t);

std::shared_ptr<char> sharemT ;

modernFooWithBool(sharemT);

std::unique_ptr<char> uP;

modernUniqueFooWithBool(uP);

auto mT = modernFoo();

std::unique_ptr<char> uP1;

std::unique_ptr<char> uP2;

modernUniqueMultiFooWithBool(uP1,uP2);

cout << "value of pointers: " <<*mT<<" "<< *sharemT<<" "<<*uP<<" "<<*uP1<<" "<<*uP2<<endl;

delete t;

return 0;

}