What are the uses of the new C++20 std::osyncstream (http://en.cppreference.com/w/cpp/io/basic_osyncstream)? Isn't the std::ostream already thread-safe?
The uses of std::osyncstream?
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According to How to easily make std::cout thread-safe?
it looks like it is not thread-safe. They even (the first answer in that question) suggest to make a wrapper, which is basically what std::osyncstream offers.
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