C++11 Things to explore further

cpp11_musings.cpp

#include <iostream>

using namespace std;

int main() {
    int array[] = {1, 2, 3, 4, 5};
    long sum = 0;
    for (const int x: array) {
        sum += x;
    }
    // items in the range for loop can be dynamic
    for (auto elem : {sum, sum * 2, sum * 3}) {
        cout << elem << '\n';
    }

    // using a raw string
    cout << R"(\\\n)" << '\n';

    // IIFE in C++ (immediately invoked function expression)
    [] {
        std::cout << "hello lambda" << std::endl;
    }();

    // using IIFE to initialize a variable and give it a type
    auto myType = []() -> double { return 42; }();
    cout << "myType = " << myType << " : " << typeid(myType).name()  << '\n';
}