The subscript concept itself is nothing new, it is basically just a generalized element accessor, typically for collection types, arrays, dictionaries, etc. ht

The subscript concept itself is nothing new, it is basically just a generalized element accessor, typically for collection types, arrays, dictionaries, etc. https://docs.swift.org/swift-book/documentation/the-swift-programming-language/subscripts/ https://docs.swift.org/swift-book/documentation/the-swift-pr...