One Quickie

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Printable description from Swift thingies (Swift->General)

Tired of default output from your objects when doing a sanity-check print?

Just adopt CustomStringConvertible and implement description:

extension Weight: CustomStringConvertible {
    var description: String {
        return "(pounds) lbs"
    }
}

If you're inheriting from NSObject, then you actually already have a description method, and will get an error to the tune of "redundant conformance of blah blah blah". In that case, you'd do this:

extension IndoorCyclingClass {
    override var description: String {
        return "(title) - (classDescription)"
    }
}