What features of Lisp are present in Ruby?

Question

I read that Ruby inherited many functions from Lisp.

What features of Ruby do the Lisp legacy possibly have?

Answer 1

Good to read: http://www.randomhacks.net/articles/2005/12/03/why-ruby-is-an-acceptable-lisp

And lambdas are in direct parallel: http://snippets.dzone.com/posts/show/6770

See also: “How Ruby borrowed a long-standing idea from LISP” http://patshaughnessy.net/2012/9/18/how-ruby-borrowed-a-decades-old-idea-from-lisp

Answer 2

Lambdas, sequels and a list of concepts are likely to be in the top three.