Arrays provide quite a bit of flexibility and functionality when developing in ActionScript 3.0. Having a utility readily available that will allow you sort, search, and manipulate Arrays will save countless hours of coding; along with a lighter script file. This leads me to the next addition of the CASA Lib series post as I breakdown the ArrayUtil.
When in the heat of constant application development and tight deadlines, it helps to have a set of go to AS3 libraries that will save you from repetitive everyday code/functionality. Whenever you can shave off minutes of your development time, take advantage of it. There are many AS3 libraries that are simply so priceless when it comes to everyday AS3 development tasks. CASA Lib is no different and personally, this is one of my go to AS3 Libraries.