def normalize_block
      statements = value.to_vool
      index = statements.length - 1
      snd = statements.statements[index]
      raise "Expecting Send #{snd.class}:#{snd}" unless snd.is_a?( Vool::SendStatement)
      statements.statements[index] = assignment( snd )
      statements
    end
def normalize_block
      statements = value.to_vool
      index = statements.length - 1
      snd = statements.statements[index]
      raise "Expecting Send #{snd.class}:#{snd}" unless snd.is_a?( Vool::SendStatement)
      statements.statements[index] = assignment( snd )
      statements
    end
Ruby BlockStatements have the block and the send. Normalize the send
 and assign it (it is the last in the list)