MyStruct.swift

struct MyStruct {
    let name: String
    let number: Int
    var bool: Bool
}

let instance = MyStruct(name: "Korg", number: 1, bool: true)

// Referencing
let nameRef: KeyPath<MyStruct, String> = \MyStruct.name

// Evaluating
let name = instance[keyPath: nameRef]  // "Korg"