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rollup merge of #20332: js-ojus/master

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In the context of explaining the declaration of mutable bindings, using 'intended' probably conveys the meaning better than 'cared'.
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Alex Crichton 2014-12-30 16:26:20 -08:00
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src/doc/guide.md
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@ -460,7 +460,7 @@ x = 10i;
There is no single reason that bindings are immutable by default, but we can
think about it through one of Rust's primary focuses: safety. If you forget to
say `mut`, the compiler will catch it, and let you know that you have mutated
something you may not have cared to mutate. If bindings were mutable by
something you may not have intended to mutate. If bindings were mutable by
default, the compiler would not be able to tell you this. If you _did_ intend
mutation, then the solution is quite easy: add `mut`.