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ES.24 (Use a unique_ptr) Example should delete the raw pointer (#1986)

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Without having a `delete p2` statement at the end, the claim that "the object pointed to by `p2` is leaked" would just seem trivial.
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Niels Dekker
2022-10-19 20:29:43 +02:00
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commit bf29c35082
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@@ -11140,11 +11140,12 @@ increases readability, and it has zero or near zero run-time cost.
// ... no assignment to p2 ... // ... no assignment to p2 ...
vector<int> v(7); vector<int> v(7);
v.at(7) = 0; // exception thrown v.at(7) = 0; // exception thrown
delete p2; // too late to prevent leaks
// ... // ...
} }
If `leak == true` the object pointed to by `p2` is leaked and the object pointed to by `p1` is not. If `leak == true` the object pointed to by `p2` is leaked and the object pointed to by `p1` is not.
The same is the case when `at()` throws. The same is the case when `at()` throws. In both cases, the `delete p2` statement is not reached.
##### Enforcement ##### Enforcement