Instance MethodSwift
swapAt(_:_:)
Exchanges the values at the specified indices of the collection.
Available because
Self
conforms toMutableCollection
.
mutating func swapAt(_ i: Self.Index, _ j: Self.Index)
Parameters
- i
The index of the first value to swap.
- j
The index of the second value to swap.
Overview
Both parameters must be valid indices of the collection that are not equal to endIndex
. Calling swapAt(_:_:)
with the same index as both i
and j
has no effect.