lst-0008-book.cpp
// https://godbolt.org/z/EY5K6Wsr3
std::vector<int> data(10); // 10 times 0 in a vector
data.front() = 666; // writes 666 to the front position
// https://godbolt.org/z/EY5K6Wsr3
std::vector<int> data(10); // 10 times 0 in a vector
data.front() = 666; // writes 666 to the front position