Are there ruby equivalents to car, cdr, and cons?

Question

Are there ruby equivalents to the lisp car, cdr, and cons functions? For those unfamiliar with lisp, here\'s what I want from ruby:

[1,2,3].car   => 1
[1,2,3]         


        

Answer 1

I'd recommend reading the Ruby API for Array. There are many methods and operators there that can do exactly what you need.

http://www.ruby-doc.org/core/classes/Array.html