How to use Subscripts in Swift | Advanced Learning #32

In Swift, a subscript is a special method that allows you to access elements of a collection, sequence, or list by using square brackets []. Subscripts provide a convenient way to get or set values within an instance of a custom data type, such as a class, struct, or enum.

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00:00 Subscripts
01:25 Welcome back!
03:04 What is a subscript?
05:57 Replicating array accessor
07:48 Subscripts are type-unique
10:17 Example implementations
12:57 More examples
15:01 Forcing subscripts to fail
16:20 Subscripts for nested values
18:38 Wrapping up