Does ruby 1.9.2 have an is_a? function?

Question

I googled that there is an is_a? function to check whether an object is an integer or not.

But I tried in rails console, and it doesn\'t work.

I

Answer 1

I wanted something similar, but none of these did it for me, but this one does - use "class":

a = 11
a.class
=> Fixnum