What happens when you write without synchronization to std::cout? You get a mess. With C++20, this should not be anymore.
As easy as my title and the rules of the C++ core guidelines sound, getting more performance out of the Iostreams is no no-brainer.
Today's post is about what you should know about Iostreams. In particular, I write about formatted and unformatted In- and Output.
When you interact with the outside world, the iostream library is the way to go in C++. As always you have to keep a few rules in mind. Let me show, which rules.
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