Improve std::vec module documentation. #25087
Merged
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This commit does two things: it adds an example for indexing vectors, and it changes the "Examples" section to use full sentences.
This change was spurred by someone in the #rust IRC channel asking if there was a
.set()
method for changing thei
-th value of a vector (they had missed thatVec
implementsIndexMut
, which is easy to do if you're not aware of that trait).