Saving what super retuns !!! OMG

class.rb

b[scoping_books] ivan@~/ruby/e-read-report λ irb
ruby-1.9.3-p0 :001 > class SuperMan
ruby-1.9.3-p0 :002?>   def vuela
ruby-1.9.3-p0 :003?>     return "volando" 
ruby-1.9.3-p0 :004?>     end
ruby-1.9.3-p0 :005?>   end
 => nil 

ruby-1.9.3-p0 :022 > class Superr < SuperMan
ruby-1.9.3-p0 :023?>   def vuela
ruby-1.9.3-p0 :024?>     retorna = super
ruby-1.9.3-p0 :025?>     puts retorna
ruby-1.9.3-p0 :026?>     puts "super"
ruby-1.9.3-p0 :027?>     end
ruby-1.9.3-p0 :028?>   end
 => nil 
ruby-1.9.3-p0 :029 > Superr.new.vuela
volando
super
 => nil 

method.rb

ruby-1.9.3-p0 :001 > module Cabron
ruby-1.9.3-p0 :002?>   def chingon
ruby-1.9.3-p0 :003?>     return "esta cabron" 
ruby-1.9.3-p0 :004?>     end
ruby-1.9.3-p0 :005?>   end
 => nil 
ruby-1.9.3-p0 :006 > class Ivan
ruby-1.9.3-p0 :007?>   include Cabron
ruby-1.9.3-p0 :008?>   def chingon
ruby-1.9.3-p0 :009?>     r = super
ruby-1.9.3-p0 :010?>     puts r
ruby-1.9.3-p0 :011?>     puts "el super" 
ruby-1.9.3-p0 :012?>     end
ruby-1.9.3-p0 :013?>   end
 => nil 
ruby-1.9.3-p0 :014 > Ivan.new.chingon
esta cabron
el super
 => nil 
ruby-1.9.3-p0 :015 >


ruby-1.9.3-p0 :040 > class Orlando
ruby-1.9.3-p0 :041?>   def chingon
ruby-1.9.3-p0 :042?>     puts "esta"
ruby-1.9.3-p0 :043?>     r = super
ruby-1.9.3-p0 :044?>     puts r
ruby-1.9.3-p0 :045?>     puts "cabron"
ruby-1.9.3-p0 :046?>     end
ruby-1.9.3-p0 :047?>   include Cabron
ruby-1.9.3-p0 :048?>   end
 => Orlando 
ruby-1.9.3-p0 :049 > Orlando.new.chingon
esta
esta cabron
cabron
 => nil 

taking_block.rb

ruby-1.9.3-p0 :104 > def er_block
ruby-1.9.3-p0 :105?>   puts "A"
ruby-1.9.3-p0 :106?>   yield
ruby-1.9.3-p0 :107?>   puts "B"
ruby-1.9.3-p0 :108?>   end
 => nil 
ruby-1.9.3-p0 :109 > er_block {puts "this is to hot" }
A
this is to hot
B
 => nil 
ruby-1.9.3-p0 :110 >