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Fix issue #2574 - Improve the explanation about the behaviour of read_line. #2575

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Feb 12, 2021
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Fix issue #2574 - Improve the explanation about the behaviour of read_line. #2575

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6 changes: 3 additions & 3 deletions src/ch02-00-guessing-game-tutorial.md
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Expand Up @@ -188,9 +188,9 @@ guess`.
[read_line]: ../std/io/struct.Stdin.html#method.read_line

The job of `read_line` is to take whatever the user types into standard input
and place that into a string, so it takes that string as an argument. The
string argument needs to be mutable so the method can change the string’s
content by adding the user input.
and append that into a string (without overwriting its contents), so it takes
that string as an argument. The string argument needs to be mutable so the
method can change the string’s content by adding the user input.

The `&` indicates that this argument is a *reference*, which gives you a way to
let multiple parts of your code access one piece of data without needing to
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