import Foundation

public extension Array where Element: CustomStringConvertible {
    var prettifiedDescription: String {
        return "[ " + map { $0.description }.joined(separator: ", ") + " ]"
    }
}

public extension Array {
    func appending(_ other: Element) -> [Element] {
        var updatedArray: [Element] = self
        updatedArray.append(other)

        return updatedArray
    }
    
    func appending(_ other: [Element]) -> [Element] {
        var updatedArray: [Element] = self
        updatedArray.append(contentsOf: other)

        return updatedArray
    }
}

public extension Array where Element: Hashable {
    func asSet() -> Set<Element> {
        return Set(self)
    }
}