Ruby gets `each` specifically and blocks in general from Smalltalk, so I'd be willing to bet there is research showing whether it is easy or hard to pick up. I'

Ruby gets `each` specifically and blocks in general from Smalltalk, so I'd be willing to bet there is research showing whether it is easy or hard to pick up. I'd further wager that the answer is that it is no harder. Loops are more "natural" for the machine, and therefore anybody who understands the machine; that doesn't mean they're more natural for the student.