Instance Method

removeFirst(_:)

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

Required. Default implementation provided.

Declaration

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.

Default Implementations

RangeReplaceableCollection Implementations

func removeFirst(Int)

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

func removeFirst(Int)

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