cjnevin

import UIKit

fileprivate extension Int {
    var rgbaPercentage: CGFloat {
        return CGFloat(self) / 255.0
    }
}

enum UIColorInputError: Error {
	case invalidInputColor

cjnevin

//
//  LoopingIterator.swift
//
//  Created by Chris Nevin on 01/11/2016.
//  Copyright © 2016 CJNevin. All rights reserved.
//

import Foundation

public struct LoopingIterator<Base: Collection> : IteratorProtocol {

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func fold(_ array: [Int], times: Int) -> [Int] {
    let m = array.count / 2
    let middle = (array.count & 1 == 1 ? [array[m]] : [])
    return times > 0 ? fold(zip(array.prefix(m), array.suffix(m).reversed()).map({ $0 + $1 }) + middle, times: times - 1) : array
}

fold([1,2,3,4,5], times: 2)

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//: Domain

struct User {
	let firstName: String
	let lastName: String
}

struct LoginUseCase {
	enum Error: Swift.Error {
		case invalidCredentials

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let replacements = [("3", "*"), ("7", "3"), ("*", "7")]
func twisted37(_ val: Int) -> Int {
    return Int(replacements.reduce(String(val), { $0.replacingOccurrences(of: $1.0, with: $1.1) })) ?? 0
}

func sortTwisted37(_ arr: [Int]) -> [Int] {
    return arr.sorted(by: { twisted37($0) < twisted37($1) })
}

assert(sortTwisted37([1,2,3,4,5,6,7,8,9]) == [1, 2, 7, 4, 5, 6, 3, 8, 9])

cjnevin

import Foundation
import RxSwift
import Nimble

class Mock<T> {
    private var object: T
    private var count: Int = 0

    init(object: T) {
        self.object = object

cjnevin

import Foundation

protocol JsonDeserializable {
    init(json: Any) throws
}

struct JsonParser {
    enum Error: Swift.Error {
        case invalidKey(String)
        case invalidJson

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import RxSwift

struct List {
    struct Item {
        let name: String
    }
    let items: [Item]
}

protocol GetListRepository {

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protocol GetListRepository {
    func get(uniqueId: String, startingAt offset: Int, limit: Int) -> Single<List>
}

struct GetListUseCase {
    enum Result {
        case success(List)
        case failure(Error, Int)
    }

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class Presenter<T> {
    private var view: T?
    func attachView(_ view: T) {
        self.view = view
    }
    
    func detachView() {
        self.view = nil
    }