Can I reference a lambda from within itself using Ruby?

Question

I want to be able to call an anonymous lambda from within itself using Ruby. Consider the following recursive block (returns a factorial). I know I can assign it to a variab

Answer 1

It seems that anonymous function really doesn't have any reference. You can check it by callee

lambda{ __callee__ }.call #=> nil

And without reference you can't call this function. I can propose to you only a little more clean variant:

(fac = lambda{ |n| n==1 ? 1 : n*fac.call(n-1) }).call(5)