lst-0057-book.cpp
// https://godbolt.org/z/PrM4fGcWo
#include <array>
#include <iostream>
using std::array; using std::cout;
template<typename Elem, size_t SZ>
std::ostream& operator<<(std::ostream&os, const array<Elem,SZ>&data) {
for(auto &e : data) {
os << e << ' ';
}
return os;
}
int main() {
// Example code here
}