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# removeFirst(_:)

Removes the specified number of elements from the beginning of the
collection.

```
mutating func removeFirst(_ k: Int)
```

## Parameters

`k`

The number of elements to remove from the collection.
`k` must be greater than or equal to zero and must not exceed the
number of elements in the collection.

## Discussion

```
var bugs = ["Aphid", "Bumblebee", "Cicada", "Damselfly", "Earwig"]
bugs.removeFirst(3)
print(bugs)
// Prints "["Damselfly", "Earwig"]"
```

Calling this method may invalidate any existing indices for use with this
collection.

> Complexity: O(*n*), where *n* is the length of the collection.

---

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