Maciej Walczynski m4c1ek

ReactiveCocoa

Rx videos

NSLog(@"%@", [[[UIApplication sharedApplication] keyWindow] performSelector:@selector(_autolayoutTrace)]);
po [[UIWindow keyWindow] _autolayoutTrace];

Cocoa layout example

UIViewShowAlignmentRects YES

Haskell has type inference

Haskell is statically typed

:t 'a'
:t 98
:t "asd"
['a','b'] == "ab"
:t (True, 'a')

	Pod::Spec.new do \|s\|
	s.name = 'ReactiveCocoa-Swift'
	s.version = '0.0.1'
	s.summary = 'A framework for composing and transforming streams of values'
	s.authors = { 'Justin Spahr-Summers' => '@jspahrsummers' }
	s.license = { :type => 'MIT', :file => 'LICENSE' }
	s.homepage = 'https://github.com/ReactiveCocoa/ReactiveCocoa'

	s.ios.deployment_target = '8.0'
	s.osx.deployment_target = '10.10'

	doubleMe x = x + x
	doubleUs x y = doubleMe x + doubleMe y
	doubleSmallNumber x = (if x > 100 then x else x*2) + 1
	boomBangs xs = [ if x < 10 then "BOOM!" else "BANG!" \| x <- xs, odd x]
	length' xs = sum [1 \| _ <- xs]
	removeNonUppercase st = [ c \| c <- st, c `elem` ['A'..'Z']]

	class ImageDownloader {
	func downloadImageFor(path:String) -> UIImage? {
	guard let url = NSURL(string: path) else { return nil }
	guard let data = NSData(contentsOfURL: url) else { return nil }
	return UIImage(data: data)
	}
	}

	class CMYKFilter : ImageFilter {

	INSERT INTO `wc4_recipe_tags` (`tag_id`, `recipe_id`, `status`, `created`, `updated`)
	VALUES
	(1001157, 2931, "admin", NOW(), NULL),
	(1001157, 2993, "admin", NOW(), NULL),
	(1001157, 3065, "admin", NOW(), NULL),
	(1001157, 3293, "admin", NOW(), NULL),
	(1001157, 3480, "admin", NOW(), NULL),
	(1001157, 3484, "admin", NOW(), NULL),
	(1001157, 3502, "admin", NOW(), NULL),
	(1001157, 3903, "admin", NOW(), NULL),