Useful swift extension

Introduction

Share some useful swift extension e.g. easy way to set up auto layout programmatically

Code Samples

Code Sample:

set auto layout addConstraintsWithFormat("V:|-8-[v0(44)]-4-[v1]-4-[v2(200)]-8-[v3(24)]-8-[v4(0.4)][v5(44)]|", views: ImageView, TextView, ImageView, Label, View, Button)

Installation

Add extension file to your project or copy those code to your extension files.