#Understanding blocks, Procs and lambdas.
I think blocks, Procs and lambdas are working in a really counter-intuitive way when you
first try to understand how they work, and most of the (amazing) resources one can find online
are too complicated to allow to understand how they work without frustration...
So here is my take on it; I'll try to make it as simple and concise as possible,
and will focus on how it is used, instead of how it works under the hood.
##Blocks
A block is simply a piece of code that will (usually) execute something;