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Update documentation on string slices in Rust #4697

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Update documentation on string slices in Rust #4697

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4 changes: 3 additions & 1 deletion src/ch04-03-slices.md
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Expand Up @@ -178,7 +178,9 @@ let slice = &s[..];
> multibyte character, your program will exit with an error.

With all this information in mind, let’s rewrite `first_word` to return a
slice. The type that signifies “string slice” is written as `&str`:
slice. Note for the below code that `*` usually dereferences a reference in expressions,
while `&` in a pattern matches a reference and automatically unwraps its value.
The type that signifies “string slice” is written as `&str`:

<Listing file-name="src/main.rs">

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