tpgmeligmeyling

extension KeyValuePairs {
    
    init(elements: [(Key, Value)]) {
        func initialize(elements: [(Key, Value)]) -> Self {
            typealias Function = ([(Key, Value)]) -> Self
            let castedInit = unsafeBitCast(Self.init(dictionaryLiteral:), to: Function.self)
            return castedInit(elements)
        }
        
        self = initialize(elements: elements)

tpgmeligmeyling

protocol ComparisonPredicateValue {
    
    var value: Bool? { get }
}

enum ComparisonPredicate<T: Comparable>: ComparisonPredicateValue {
    
    typealias Predicate = ((T, T) -> Bool)
    case predicate(lhs: T, rhs: T, Predicate)