Block also can be an object in ruby

block-can-be-object.rb

print "Enter parameter = "
var = gets()

class ProcExample
  def pass_in_block(&action)
    @stored_proc = action
  end
  def use_proc(parameter)
    @stored_proc.call(parameter) #call the parameter
  end
end

eg = ProcExample.new
eg.pass_in_block{
  |param|
  puts "the parameter is #{param}"
}
eg.use_proc(var)

def CreateBlockObjeck(&block)
  block
end
#the simple way
create = CreateBlockObjeck{
  |param|
  puts "call me #{param}"
}
create.call var

#modifikasi
# class AnotherWay
#   def CreateBlockObjeck(&block)
#     block
#   end
# end
#
# #the simple way
# cl = AnotherWay.new
# cl.CreateBlockObjeck{
#   |param|
#   puts "call me #{param}"
# }
#cl.call var

#way of three
way3 = lambda {
  |param|
  puts "Param is #{param}"
}
way3.call var