(minor) amendments to Mutex docs #3645
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To be more correct about fact that std Mutex can also be held across _some_ .await points
Darksonn
reviewed
Mar 25, 2021
Darksonn
added
A-tokio
Minor edits for improved readability. Introduced an extra paragraph under 'Which kind of mutex should you use?' explicitly warning against holding std Mutex across .await points even though it's possible in some situations.
Darksonn
reviewed
Mar 26, 2021
Merged
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Motivation
The opening lines of the current documentation for tokio::sync::Mutex could be interpreted to imply
std::sync::Mutexcannot be held across any.awaitpoints, which isn't the case.Solution
Attempted to keep reasonably concise but allude to fact that not all
.awaitpoints are equal in terms of bounds required.