/// A type that explicitly supplies its own mirror. /// /// You can create a mirror for any type using the `Mirror(reflect:)` /// initializer, but if you are not satisfied with the mirror supplied for /// your type by default, you can make it conform to `CustomReflectable` and /// return a custom `Mirror` instance. public protocol CustomReflectable { /// The custom mirror for this instance. /// /// If this type has value semantics, the mirror should be unaffected by /// subsequent mutations of the instance. public var customMirror: Mirror { get } } /// A type that explicitly supplies its own mirror, but whose /// descendant classes are not represented in the mirror unless they /// also override `customMirror`. public protocol CustomLeafReflectable : CustomReflectable { }