insert(contentsOf:at:)
Inserts a collection of characters at the specified position.
Declaration
mutating func insert<S>(contentsOf newElements: S, at i: String.Index) where S : Collection, S.Element == CharacterParameters
- newElements:
A collection of
Characterelements to insert into the string. - i:
A valid index of the string. If
iis equal to the string’s end index, this methods appends the contents ofnewElementsto the string.
Discussion
Calling this method invalidates any existing indices for use with this string.