How do I sort an array of structs by multiple values?

by

I’m not yet proficient in Swift, but the basic idea for a multiple-criteria sort is:

let sorted = conditions.sorted { (lhs: Condition, rhs: Condition) -> Bool in
    if lhs.set == rhs.set {
        return lhs.someString < rhs.someString
    }
    return (lhs.set) < (rhs.set)
}

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