erica

Reducing a sequence onto its own elements

• Proposal: SE-nnnnnnnn
• Authors: Erica Sadun, Nate Cook
• Review Manager: TBD
• Status: Awaiting implementation

erica

import Foundation

// 3456789012345678901234567890123456789012345678901234567890123456789012345678

/*
 
 Monoid reduction, for strictly binary operation combination.
 
 Note: The monoid approach does not throw right now.
 

erica

Reducing a sequence onto its own elements

• Proposal: SE-nnnnnnnn
• Authors: Erica Sadun, Nate Cook
• Review Manager: TBD
• Status: Awaiting implementation

erica

import AppKit

struct AttributableString {
  let attributedString: NSAttributedString
}

extension AttributableString: ExpressibleByStringLiteral {
  init(stringLiteral: String) {
    self.attributedString = NSAttributedString(string: stringLiteral)
  }

erica

// More String Interpolation

public extension String {
    /// The direction from which a string floats when
    /// padded with repeated characters.
    enum PaddingDirection { case left, right, center }
    
    /// Returns a new string repeatedly padded with a character on
    /// either or both sides of the source string.
    ///

erica

/*
 
 erica sadun, ericasadun.com
 Core Geometry
 
 */

import Foundation
import QuartzCore

erica

Firebase for Dummies

Visit http://console.firebase.google.com to begin. Most tutorial projects can be simple JSON storage sinks accessed from iOS.

Create a new Firebase database

1. Click Add Project
2. Enter a project name.
3. Disable "Use the default settings for sharing Google Analytics for Firebase data".
4. Click Continue.

erica

Scavenger Hunt

Time: 10 minutes

• Use Xcode documentation, online searches, and personal knowlege.
• No helping each other. You're building your own search skills. We'll discuss strategies at the end.
• Remember, iOS changes rapidly. You're looking for the latest APIs.
• When you're done or time is up, send your answers privately to me in Zoom.

Find:

erica

import UIKit

let crayonDictionary = ["Sepia": #colorLiteral(red: 0.6171875, green: 0.35546875, blue: 0.25, alpha: 1.0),
                        "Beaver": #colorLiteral(red: 0.5703125, green: 0.43359375, blue: 0.35546875, alpha: 1.0),
                        "Caribbean Green": #colorLiteral(red: 0.0, green: 0.796875, blue: 0.59765625, alpha: 1.0),
                        "Electric Lime": #colorLiteral(red: 0.796875, green: 0.99609375, blue: 0.0, alpha: 1.0),
                        "Gray": #colorLiteral(red: 0.54296875, green: 0.5234375, blue: 0.5, alpha: 1.0),
                        "Pacific Blue": #colorLiteral(red: 0.0, green: 0.61328125, blue: 0.765625, alpha: 1.0),
                        "Burnt Sienna": #colorLiteral(red: 0.91015625, green: 0.453125, blue: 0.31640625, alpha: 1.0),
                        "Manatee": #colorLiteral(red: 0.55078125, green: 0.5625, blue: 0.62890625, alpha: 1.0),

erica

Scavenger Hunt

Time: 10 minutes

• Use Xcode documentation, online searches, and personal knowlege.
• No helping each other. You're building your own search skills. We'll discuss strategies at the end.
• Remember, iOS changes rapidly. You're looking for the latest APIs.
• When you're done or time is up, send your answers privately to me in Zoom.

Find: