gistfile1.txt

# In rubinius you can obtain the block given to a method
# without having to rely on &block syntax
#
# This is how they implement yield, by obtaining the block given to the method.

def some_method_that_takes_a_block

   given_block = Rubinius.asm do |generator|
     generator.push_block  # pushed the current block into the stack
   end   

   given_block.call  # It's a BlockEnvironment instance 

end