This is a great idea! I have been using something very similar to this, except with a closure that takes a comparator instead of just a value.
extension Collection{
func sorted<Value: Comparable>(
by keyPath: KeyPath<Element, Value>,
_ comparator: (_ lhs: Value, _ rhs: Value)->Bool)->[Element]{
return self.sorted{
comparator($0[keyPath: keyPath], $1[keyPath: keyPath])
}
}
}
