Instance MethodSwift
remove(at:)
Removes and returns the element at the specified position.
Available because
Self
conforms toRangeReplaceableCollection
.
@discardableResult mutating func remove(at position: Self.Index) -> Self.Element
Parameters
- position
The position of the element to remove.
position
must be a valid index of the collection that is not equal to the collection’s end index.
Returns
The removed element.
Overview
All the elements following the specified position are moved to close the gap. This example removes the middle element from an array of measurements.
var measurements = [1.2, 1.5, 2.9, 1.2, 1.6]
let removed = measurements.remove(at: 2)
print(measurements)
// Prints "[1.2, 1.5, 1.2, 1.6]"
Calling this method may invalidate any existing indices for use with this collection.