Noisy: The Class You Wrote a Hundred Times -- Vincent Zalzal
You have probably written a class that prints a message in all its special member functions. And like me, you probably wrote it multiple times. I decided to write it well once and for all, and share it.
Noisy: The Class You Wrote a Hundred Times
by Vincent Zalzal
From the article:
Recently, I was writing some code involving structured bindings and I was unsure whether it would incur unintended copy or move operations. As usual, when I am in this situation, I open up Compiler Explorer and test it. For the nth time, I ended up coding a class like this one:
struct S { S() { std::cout << "ctor\n"; } ~S() { std::cout << "dtor\n"; } // ... and so on with copy and move operations }I don’t know how many times I wrote this class! I thought maybe it was time I write it well, once and for all, and then reuse it when I need it. And then, I thought that I am probably not the only one having written that class over and over again, am I? Maybe this could be useful to others.
If you're writing C++, there's a good reason (maybe...) as to why you are. And probably, that reason is performance. So often when reading about the language you'll find all sorts of "performance tips and tricks" or "do this instead because it's more efficient". Sometimes you get a good explanation as to why you should. But more often than not, you won't find any hard numbers to back up that claim. I recently found a peculiar one, the 
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