Array#rotate equivalent in ruby 1.8.7

Question

a = [ \"a\", \"b\", \"c\", \"d\" ]
a.rotate         #=> [\"b\", \"c\", \"d\", \"a\"]

#rotate is a method of Array in R

Answer 1

You can achieve the same with a.push(a.shift). It basically removes the first element (shift) and appends it to the end (push).