libdx

#!/usr/bin/ruby

projects = Dir.glob("*.xcworkspace") + Dir.glob("*.xcodeproj")

if projects.count > 1
	puts "Choose file to open:"
	projects.each_index do |i|
		num = i + 1
		puts "#{num}: #{projects[i]}"
	end 

libdx

class ConstraintAttribute
  attr_reader :name
  attr_reader :multiplier
  attr_reader :constraint
  attr_reader :relation

  def initialize(constraint, name)
    @constraint, @name = constraint, name
    @constant, @multiplier = 0, 1
  end

libdx

@interface ActionSheetItem : NSObject

@property (copy, nonatomic) NSString *title;

@property (nonatomic, getter=isDestructive) BOOL destructive;
@property (nonatomic, getter=isCancel) BOOL cancel;

@property (copy, nonatomic) void (^actionBlock)();

@property (nonatomic) SEL action;

libdx

#define str(T) _Generic( (T), SEL: NSStringFromSelector, Class: NSStringFromClass) (T)

NSString *cancelAction = str(@selector(cancel:));
NSString *objectClassName = str([NSObject class]);

libdx

class String
  def discover
    puts self + ' ' + self.ord.to_s(16)
  end
end

# Аа Бб Вв Гг Дд Єє Ее
# Жж Ѕѕ Ꙁꙁ Ии Іі Її Ћћ
# Кк Лл Мм Нн Оо Пп Рр
# Сс Тт Уу Ꙋꙋ Фф Хх Ѿѿ

libdx

@interface MyManagedObjectContext : NSManagedObjectContext

- (instancetype)main;
- (instancetype)newBackground;
- (instancetype)newUI;

- (NSArray *)fetch:(id)query;
- (id)fetchFirst:(id)query;

libdx

protocol Attributed {
    var attrs: Attrs { get }
}

struct Attrs {
    let name: String
    let sortBy: String
    let keyPath: [String]

    // init has defaults

libdx

//: Playground - noun: a place where people can play
import UIKit

protocol AnyValidator {
    func validate(any: Any) -> Bool
}

protocol Validator: AnyValidator {
    associatedtype Value

libdx

interface Transformer<A, B> {
    B.Element transform(A.Element a);
}

libdx

// Abstract interface

protocol Interactor: class {
    associatedtype Action
    func dispatch(action: Action)
    init()
}

protocol Presenter: class {
    associatedtype State