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# removeLastComponent()

In-place mutating variant of `removingLastComponent`.

```
@discardableResult mutating func removeLastComponent() -> Bool
```

## Discussion

If `self` only contains a root, does nothing and returns `false`.
Otherwise removes `lastComponent` and returns `true`.

Example:

```
var path = "/usr/bin"
path.removeLastComponent() == true  // path is "/usr"
path.removeLastComponent() == true  // path is "/"
path.removeLastComponent() == false // path is "/"
```

---

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