Inserter? I hardly know ’er!

This post originally appeared in Volume 0, Issue 1 of unpressed . A few weeks ago, I was shown by a dear friend a snippet of C++ (I’ll once again take the opportunity to emphasize friend —i.e., not an enemy) involving the use of operator<< , the stream insertion operator , from the Wikipedia page on argument dependent lookup. The snippet looked something like this: operator<<(std::cout, "Hi…