WithSet.swift

import Foundation

// Variation of
// https://gist.github.com/vincent-pradeilles/1886454090d18fc0e3c7cfcfd96ad6bb

protocol WithSet {
    associatedtype S = Self
    func with<T>(_ property: ReferenceWritableKeyPath<S, T>, setTo value: T) -> S
}


extension WithSet {
    func with<T>(_ property: ReferenceWritableKeyPath<Self, T>, setTo value: T) -> Self {
        self[keyPath: property] = value
        return self
    }
}

extension NSObject: WithSet {}

/* Example Usage

let label = UILabel()
    .with(\.textColor, setTo: .red)
    .with(\.text, setTo: "Foo")
*/