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Lifetimes: explain how to fix destructor example #195

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Feb 2, 2020
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Lifetimes: explain how to fix destructor example #195

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2 changes: 2 additions & 0 deletions src/lifetimes.md
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Expand Up @@ -261,6 +261,8 @@ data.push(4);
// Here, the destructor is run and therefore this'll fail to compile.
```

One way to convince the compiler that `x` is no longer valid is by using `drop(x)` before `data.push(4)`.

Furthermore, there might be multiple possible last uses of the borrow, for
example in each branch of a condition.

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