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fix: fix 13.16 #833

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fix: fix 13.16 #833

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2 changes: 1 addition & 1 deletion ch13/README.md
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Expand Up @@ -132,7 +132,7 @@ Yes, it does. Because, as described, the newly defined copy constructor can hand
## Exercise 13.16:
>What if the parameter in f were const numbered&? Does that change the output? If so, why? What output gets generated?

Yes, the output will change. Because no copy operation happens within function `f`. Thus, the three Output are the same.
No, the output will change but the three Output are not the same, because copy constructor has been executed during variable definition.

## Exercise 13.17
> Write versions of numbered and f corresponding to the previous three exercises and check whether you correctly predicted the output.
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