create an enum in swift

To create an enum in Swift, you can use the enum keyword followed by the name of the enumeration. Here's an example:

main.swift
enum Day {
    case sunday
    case monday
    case tuesday
    case wednesday
    case thursday
    case friday
    case saturday
}
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In this example, we've defined an enumeration called Day, which has seven cases representing each day of the week.

You can also assign raw values to enum cases if desired:

main.swift
enum Numbers: Int {
    case one = 1
    case two = 2
    case three = 3
}
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In this example, we've defined an enumeration called Numbers, which has three cases representing the numbers 1, 2, and 3.

You can use enums in Swift to represent a fixed set of values, which can make your code easier to read and maintain.