I like this article a lot but if you want to dig deeper and understand some of the negative consequences of Ruby's approach, you might like these two articles I

I like this article a lot but if you want to dig deeper and understand some of the negative consequences of Ruby's approach, you might like these two articles I wrote: https://journal.stuffwithstuff.com/2013/01/13/iteration-inside-and-out/ https://journal.stuffwithstuff.com/2013/01/13/iteration-insi... https://journal.stuffwithstuff.com/2013/02/24/iteration-inside-and-out-part-2/ https://journal.stuffwithstuff.com/2013/02/24/iteration-insi...