Rollup merge of #26010 - ranma42:improve-doc, r=steveklabnik

The statement is not completely exact, because it is valid to have
both 0 non-mutable references and 1 mutable reference. Instead, use
the same wording as in mutability.md.
This commit is contained in:
Steve Klabnik 2015-06-05 11:20:28 +02:00
commit f1dd27524a

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@ -155,7 +155,7 @@ First, any borrow must last for a smaller scope than the owner. Second, you may
have one or the other of these two kinds of borrows, but not both at the same
time:
* 0 to N references (`&T`) to a resource.
* one or more references (`&T`) to a resource.
* exactly one mutable reference (`&mut T`)