krzyzanowskim

public extension Collection {
    
    func anySatisfy(_ predicate: (Self.Element) throws -> Bool) rethrows -> Bool {
        try reduce(false) {
            try predicate($1) || $0
        }
    }
    
}

krzyzanowskim

//  Created by Marcin Krzyzanowski

import Foundation

public protocol JSONEncodable: Encodable { }

public extension JSONEncodable {
  func toJSON(using encoder: @autoclosure () -> JSONEncoder = JSONEncoder()) throws -> String {
    try String(decoding: encoder().encode(self), as: UTF8.self)
  }

krzyzanowskim

// Marcin Krzyzanowski
// blog.krzyzanowskim.com

import Foundation

extension URLResourceKey {
  static let bookmarkAllPropertiesKey = URLResourceKey("NSURLBookmarkAllPropertiesKey")
  static let fileIDKey = URLResourceKey("_NSURLFileIDKey")
  static let inode = URLResourceKey.fileIDKey
}

krzyzanowskim

class Foo {

  struct Flags: OptionSet {
    let rawValue: Int
    static let one = Flags(rawValue: 1 << 0)
    static let two = Flags(rawValue: 1 << 1)
    static let three = Flags(rawValue: 1 << 2)
  }

  private(set) var _flags: Flags = [.one, .two]

krzyzanowskim

@propertyWrapper
struct Wrap<T> {
  var wrappedValue: T?
}

class Foo {
  @Wrap()
  var name: String
}

krzyzanowskim

//
//  MultilineLabel.swift
//
//  Created by Marcin Krzyzanowski on 19/09/2019.
//

import UIKit

public class MultilineLabel: UILabel {
  override public init(frame: CGRect) {

krzyzanowskim

// instead doing this
let dict: Dictionary<String, Any> = [:]
dict["name"] = "Marcin"

// do this if it's closed set
enum Keys: String, CaseIterable {
    case name, address
}

// or this if it's open set

krzyzanowskim

$ clang -x c++ -E -dM -o - /dev/null
#define OBJC_NEW_PROPERTIES 1
#define _LP64 1
#define __APPLE_CC__ 6000
#define __APPLE__ 1
#define __ATOMIC_ACQUIRE 2
#define __ATOMIC_ACQ_REL 4
#define __ATOMIC_CONSUME 1
#define __ATOMIC_RELAXED 0
#define __ATOMIC_RELEASE 3

krzyzanowskim

// https://twitter.com/krzyzanowskim/status/1149607371204784129
extension TimeInterval {
  static func minutes(_ minutes: Int) -> TimeInterval {
    return TimeInterval(seconds(60) * TimeInterval(minutes))
  }

  static func seconds(_ seconds: Int) -> TimeInterval {
    return TimeInterval(seconds)
  }

krzyzanowskim

// https://twitter.com/krzyzanowskim/status/1142800558480351232
// Private "NSCTFontUIUsageAttribute" overwrites public "NSFontFamilyAttribute" attribute 🙃😌 if both set.

extension UIFontDescriptor.AttributeName {
  static let fontUIUsageAttribute =  UIFontDescriptor.AttributeName.init(rawValue: "NSCTFontUIUsageAttribute")
}

extension UIFontDescriptor {
  class func preferredFontDescriptor(withTextStyle style: UIFont.TextStyle, family: String) -> UIFontDescriptor {
    let preferredFontDescriptor = UIFontDescriptor.preferredFontDescriptor(withTextStyle: style).withFamily(family)