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The All-in-One Guide to C++20

The get_wrapped Function

Explore the get_wrapped function of std::basic_osyncstream in C++20 to understand how it returns the wrapped buffer pointer. Learn how synchronized output streams prevent interleaved outputs in multithreaded programs by buffering and emitting data atomically, ensuring thread-safe console output.

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std::basic_osyncstream syncStream offers two interesting member functions:

  • syncStream.emit() emits all buffered output and executes all pending flushes.
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