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@ -199,7 +199,7 @@ int main()
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cin >> myInt;
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cin >> myInt;
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// cout can also be formatted
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// cout can also be formatted
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cout << "Your favorite number is " << myInt << "\n";
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cout << "Your favorite number is " << myInt << '\n';
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// prints "Your favorite number is <myInt>"
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// prints "Your favorite number is <myInt>"
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cerr << "Used for error messages";
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cerr << "Used for error messages";
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@ -461,7 +461,7 @@ void Dog::print() const
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Dog::~Dog()
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Dog::~Dog()
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{
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{
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std::cout << "Goodbye " << name << "\n";
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std::cout << "Goodbye " << name << '\n';
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}
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}
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int main() {
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int main() {
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@ -504,7 +504,7 @@ void OwnedDog::setOwner(const std::string& dogsOwner)
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void OwnedDog::print() const
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void OwnedDog::print() const
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{
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{
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Dog::print(); // Call the print function in the base Dog class
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Dog::print(); // Call the print function in the base Dog class
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std::cout << "Dog is owned by " << owner << "\n";
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std::cout << "Dog is owned by " << owner << '\n';
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// Prints "Dog is <name> and weights <weight>"
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// Prints "Dog is <name> and weights <weight>"
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// "Dog is owned by <owner>"
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// "Dog is owned by <owner>"
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}
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}
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@ -946,7 +946,7 @@ mymap.insert(pair<char,int>('Z',26));
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// To iterate
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// To iterate
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map<char,int>::iterator it;
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map<char,int>::iterator it;
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for (it=mymap.begin(); it!=mymap.end(); ++it)
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for (it=mymap.begin(); it!=mymap.end(); ++it)
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std::cout << it->first << "->" << it->second << '\n';
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std::cout << it->first << "->" << it->second << std::cout;
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// Output:
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// Output:
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// A->1
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// A->1
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// Z->26
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// Z->26
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@ -1117,33 +1117,33 @@ const int maxL = 15;
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auto second = make_tuple(maxN, maxL);
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auto second = make_tuple(maxN, maxL);
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// Printing elements of 'first' tuple
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// Printing elements of 'first' tuple
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cout << get<0>(first) << " " << get<1>(first) << "\n"; //prints : 10 A
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cout << get<0>(first) << " " << get<1>(first) << '\n'; //prints : 10 A
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// Printing elements of 'second' tuple
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// Printing elements of 'second' tuple
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cout << get<0>(second) << " " << get<1>(second) << "\n"; // prints: 1000000000 15
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cout << get<0>(second) << " " << get<1>(second) << '\n'; // prints: 1000000000 15
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// Unpacking tuple into variables
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// Unpacking tuple into variables
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int first_int;
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int first_int;
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char first_char;
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char first_char;
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tie(first_int, first_char) = first;
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tie(first_int, first_char) = first;
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cout << first_int << " " << first_char << "\n"; // prints : 10 A
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cout << first_int << " " << first_char << '\n'; // prints : 10 A
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// We can also create tuple like this.
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// We can also create tuple like this.
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tuple<int, char, double> third(11, 'A', 3.14141);
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tuple<int, char, double> third(11, 'A', 3.14141);
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// tuple_size returns number of elements in a tuple (as a constexpr)
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// tuple_size returns number of elements in a tuple (as a constexpr)
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cout << tuple_size<decltype(third)>::value << "\n"; // prints: 3
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cout << tuple_size<decltype(third)>::value << '\n'; // prints: 3
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// tuple_cat concatenates the elements of all the tuples in the same order.
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// tuple_cat concatenates the elements of all the tuples in the same order.
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auto concatenated_tuple = tuple_cat(first, second, third);
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auto concatenated_tuple = tuple_cat(first, second, third);
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// concatenated_tuple becomes = (10, 'A', 1e9, 15, 11, 'A', 3.14141)
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// concatenated_tuple becomes = (10, 'A', 1e9, 15, 11, 'A', 3.14141)
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cout << get<0>(concatenated_tuple) << "\n"; // prints: 10
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cout << get<0>(concatenated_tuple) << '\n'; // prints: 10
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cout << get<3>(concatenated_tuple) << "\n"; // prints: 15
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cout << get<3>(concatenated_tuple) << '\n'; // prints: 15
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cout << get<5>(concatenated_tuple) << "\n"; // prints: 'A'
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cout << get<5>(concatenated_tuple) << '\n'; // prints: 'A'
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///////////////////////////////////
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///////////////////////////////////
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