auto merge of #15174 : alco/rust/patch-1, r=alexcrichton
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@ -101,8 +101,8 @@ format!("{a:s} {c:d} {b:?}", a="a", b=(), c=3i); // => "a 3 ()"
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```
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It is illegal to put positional parameters (those without names) after arguments
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which have names. Like positional parameters, it is illegal to provided named
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parameters that are unused by the format string.
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which have names. Like with positional parameters, it is illegal to provide
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named parameters that are unused by the format string.
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### Argument types
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@ -185,7 +185,7 @@ struct. In order to help with this, the `Formatter` struct also provides some
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helper methods.
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Additionally, the return value of this function is `fmt::Result` which is a
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typedef to `Result<(), IoError>` (also known as `IoError<()>`). Formatting
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typedef to `Result<(), IoError>` (also known as `IoResult<()>`). Formatting
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implementations should ensure that they return errors from `write!` correctly
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(propagating errors upward).
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