Chris Longe chrislonge

Swift Intro

Declare a variable with the var keyword.

var str = "Hello, playground" // str is of type string
str = 5 // This is an error, compiler won't let you assign an Int to a type String

Swift is a type safe language, meaning once a variable is declared as a certain type, it must maintain that type.

If you don’t specify the type of value you need, Swift uses type inference.

	import Foundation

	struct MyModel: Hashable {

	let identifier = UUID()
	func hash(into hasher: inout Hasher) {
	hasher.combine(identifier)
	}
	static func == (lhs: MyModel, rhs: MyModel) -> Bool {
	return lhs.identifier == rhs.identifier

	import UIKit
	import XCPlayground

	XCPlaygroundPage.currentPage.needsIndefiniteExecution = true
	let containerView = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 375.0, height: 667.0))
	containerView.backgroundColor = UIColor.whiteColor()
	XCPlaygroundPage.currentPage.liveView = containerView

	var aboutTextView = UITextView(frame: CGRect(x: 12.0, y: 20.0, width: containerView.frame.size.width - 12.0, height: 200.0))
	aboutTextView.textAlignment = .Left

	post_install do \|installer\|
	installer.pods_project.targets.each do \|target\|
	puts "#{target}"
	target.build_configurations.each do \|config\|
	puts "#{config}"
	end
	end
	end

	for family in UIFont.familyNames {
	print(family)
	for name in UIFont.fontNames(forFamilyName: family) {
	print(name)
	}
	}

	for (UIWebView *webView in self.overdraftSection.subviews) {
	webView.layer.borderColor = [[UIColor blackColor] CGColor];
	webView.layer.borderWidth = 2.0f;
	}