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book: revise the description of RAII (#288)

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2024-06-01 18:09:32 +08:00
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book/en-us/07-thread.md
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@@ -35,7 +35,7 @@ C++11 introduces a class related to `mutex`, with all related functions in the `
It can be locked by its member function `lock()`, and `unlock()` can be unlocked.
But in the process of actually writing the code, it is best not to directly call the member function,
Because calling member functions, you need to call `unlock()` at the exit of each critical section, and of course, exceptions.
At this time, C++11 also provides a template class `std::lock_guard` for the RAII syntax for the mutex.
At this time, C++11 also provides a template class `std::lock_guard` for the RAII mechanism for the mutex.
RAII guarantees the exceptional security of the code while keeping the simplicity of the code.