KeyValuePairs+Init.swift

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)
    }
}