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Fix "Display type" to "Display trait" in ch19-03 #3835

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Apr 11, 2024
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Fix "Display type" to "Display trait" in ch19-03 #3835

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2 changes: 1 addition & 1 deletion src/ch19-03-advanced-traits.md
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Expand Up @@ -442,7 +442,7 @@ that holds an instance of `Vec<T>`; then we can implement `Display` on

The implementation of `Display` uses `self.0` to access the inner `Vec<T>`,
because `Wrapper` is a tuple struct and `Vec<T>` is the item at index 0 in the
tuple. Then we can use the functionality of the `Display` type on `Wrapper`.
tuple. Then we can use the functionality of the `Display` trait on `Wrapper`.

The downside of using this technique is that `Wrapper` is a new type, so it
doesn’t have the methods of the value it’s holding. We would have to implement
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