// Eksam.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
//#include "Karakter.h"
#include <any>
#include <map>
#include <variant>
#include <optional>

using namespace std;
//using namespace Game::Characters::Test;

optional<string> internetiOlek(bool e) {
	if (e) {
		return "Yhendus on olemas";
	}
	return {};
}

int main()
{
#pragma region Nested Namespaces
	//Karakter a = Karakter(15, "Joosep");
#pragma endregion

#pragma region std::any naide
	cout << "----std::any naide" << endl;
	any x { 5.0 };
	
	cout << any_cast<double>(x) << endl;
	any_cast<double&>(x) = 10.2;
	cout << any_cast<double>(x) << endl;

	cout << endl;
	cout << endl;
#pragma endregion

#pragma region Maps ja sets
	cout << "----Maps ja sets extract naide" << endl;
	map<int, string> map1 { {1, "v6ti"}, {2, "telefon"}, {3, "raha"} };
	map<int, string> map2 { {4, "laptop"}, {5, "juhe"} };

	map2.insert(map1.extract(map1.find(1)));
	map2.insert(map1.extract(2));
	map2.insert(map1.extract(3));

	for (int i = 1; i < 6; i++) {
		cout << map2.at(i) << " ";
	}
	cout << endl;
	cout << endl;

	std::map<int, string> m{ { 1, "one" },{ 2, "two" },{ 3, "three" } };
	auto e = m.extract(2);
	e.key() = 4;
	m.insert(move(e));

	cout << m.at(1) << " "; 
	cout << m.at(3) << " "; 
	cout << m.at(4) << " ";

	cout << endl;
	cout << endl;
#pragma endregion

#pragma region Auto
	cout << "----auto vaartus muutujatele" << endl;
	auto x1{ 1 };
	cout << x1 << endl;

	cout << endl;
	cout << endl;
#pragma endregion

#pragma region Auto lambda
	cout << "----Auto lambda" << endl;
	auto liitmine = [](auto x, auto y) { return x+y; };
	auto three = liitmine(3.1,2);

	cout << three << endl;
	cout << endl;
	cout << endl;
#pragma endregion

#pragma region std::Variant
	cout << "----std::variant" << endl;
	variant<int, string> v{ 13 };
	cout << get<int>(v) << endl;
	v = "tere";
	cout << get<string>(v) << endl;

	cout << endl;
	cout << endl;
#pragma endregion

#pragma region Optional
	cout << "----Optional" << endl;
	cout << internetiOlek(true).value() << endl;
	cout << internetiOlek(false).value_or("Yhendus puudub") << endl;
#pragma endregion


	cout << endl;
	cout << endl;
    return 0;
}