JonB

public struct Promise<T> {
  typealias Fulfiller = (T) -> (Void)
  typealias Rejecter = (Void) -> (Void)
  typealias Resolver = (_ fulfill: @escaping Fulfiller, _ reject: @escaping Rejecter) -> (Void)
  let resolver: Resolver
  init(_ resolver: @escaping Resolver){
    self.resolver = resolver
  }
  func then<U>(_ execute: @escaping ((T) -> U)) -> Promise<U> {
    return Promise<U>({(fulfill, reject) in

JonB

#!/usr/bin/env ruby
#
# Mac fix 1 - Install the Nokogiri gem on Mac OS 10.9 Mavericks
#
# Usage: to configure and install using Bundler, pass in 'bundle' as an argument to the script.
#
# Nokogiri works at a very low level, so it has many issues on various platforms.
# As a result, the command `install gem nokogiri` often will fail. This fix is for
# errors involving 'libiconv', such as the following one I encountered:
#

JonB

- (IBAction)goButtonPressed:(id)sender
{
    CALayer *layer = self.theRedSquare.layer;
    CATransform3D initialTransform = self.theRedSquare.layer.transform;
    initialTransform.m34 = 1.0 / -1000;
    layer.transform = initialTransform;
    layer.anchorPoint = CGPointMake(0.0, 0.5);
    
    [UIView beginAnimations:@"com.jon.Scale" context:nil];
    [UIView setAnimationDuration:1];