d-date

let labelColorStyle = { set(\UILabel.textColor, $0) }

let primaryLabelStyle = labelColorStyle(UIColor.green)

let label = UILabel() |> primaryLabelStyle

d-date

struct Hoge: Storagable {
    let id: Int
    let name: String
}

protocol Storagable: Codable {}

extension Storagable {
    func save(key: String = "\(Self.self)", userDefaults: UserDefaults = .standard) throws {
        let data = try JSONEncoder().encode(self)

d-date

import Foundation

extension Date {
    var elasticDateFormat: String {
        let calendar = Calendar.current
        let date = Date()
        let dateInterval = calendar.dateInterval(of: .month, for: self)

        if calendar.dateInterval(of: .day, for: self)!.contains(date) {
            return "HH:mm"

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public struct FirebasePreprocessorToken {
    public static let `default` = FirebasePreprocessorToken()

    private init() {
        #if RELEASE
        let googleServiceInfoPlist = "GoogleService-Info"
        #elseif STAGING
        let googleServiceInfoPlist = "GoogleService-Info-Stg"
        #else
        let googleServiceInfoPlist = "GoogleService-Info-Dev"

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var directory: ObjCBool = false
var exists: Bool = FileManager.default.fileExists(atPath: "…", isDirectory: &directory)

if exists {
    if directory.boolValue {
        // Exists. Directory.
    } else {
        // Exists.
    }
} else {

d-date

pre_install do |installer|
  installer.pod_targets.each do |target|
    if ['Mockingjay', 'URITemplate'].include? target.name
      target.root_spec.swift_version = '4.2'
    else
      target.root_spec.swift_version = '5.0'
    end
  end
end

d-date

import UIKit

typealias Constraint = (UIView, UIView) -> NSLayoutConstraint

func equal<L, Axis>(_ to: KeyPath<UIView, L>, constant: CGFloat = 0, priority: UILayoutPriority? = nil) -> Constraint where L: NSLayoutAnchor<Axis> {
    return equal(to, to, constant: constant, priority: priority)
}

func equal<L, Axis>(_ from: KeyPath<UIView, L>, _ to: KeyPath<UIView, L>, constant: CGFloat = 0, priority: UILayoutPriority? = nil) -> Constraint where L: NSLayoutAnchor<Axis> {
    return { view1, view2 in

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import UIKit
import WebKit

class WKWebViewController: UIViewController {

    var request: URLRequest?
    weak var uiDelegate: WKUIDelegate?
    weak var navigationDelegate: WKNavigationDelegate?

    lazy var webView: WKWebView = {

d-date

import UIKit

open class VStackViewController: UIViewController {
    public let scrollView: UIScrollView = .init()
    public let stackView: UIStackView = {
        let stackView: UIStackView = .init()
        stackView.axis = .vertical
        stackView.alignment = .fill
        stackView.distribution = .equalSpacing
        stackView.spacing = 0

d-date

let of = Observable.of(1,2,3)
            .do(onNext: { print($0) })
let just = Observable.just(4)
            .do(onNext: { print($0) })
let error = Observable<Any?>.error(FakeError())
            .do(onError: { print($0) })

Observable.zip(of, just, error)
            .subscribe()
            .disposed(by: disposeBag)