Foundation.NSString Extension

property Item[i: Int32]: Char read;

Char Item[Int32 i] { get; }

subscript Item(_ i: Int32) -> Char { get{} }

Char Item[Int32 i] { __get; }

ReadOnly Property Item(i As Int32) As Char

property Item[i: Index]: Char read;

Char Item[Index i] { get; }

subscript Item(_ i: Index) -> Char { get{} }

Char Item[Index i] { __get; }

ReadOnly Property Item(i As Index) As Char

property Item[r: Range]: NSString read;

NSString Item[Range r] { get; }

subscript Item(_ r: Range) -> NSString { get{} }

NSString Item[Range r] { __get; }

ReadOnly Property Item(r As Range) As NSString