CODEWITHSUNDEEP
ruby
Sig
Sig

Reputation: 5916

Delegating to a class method

Is it possible in Ruby to delegate to a class method of another class so to replace the method below?

def sugar(param)
  Klass.a_very_long_method_name(param)
end

I have tried to use Forwardable

   extend Forwardable
   def_delegator 'Klass.a_very_long_method_name', :sugar

But it doesn't seem to work.

I find myself to call Klass.a_very_long_method_name in many places and I'm trying to dry things up.

Upvotes: 4

Views: 84

Answers (1)

Cary Swoveland
Cary Swoveland

Reputation: 110665

require 'forwardable'

class Klass
  def self.a_very_long_method_name(name)
    puts "Hi, #{name}"
  end
end

class Sugar
  extend Forwardable
  def_delegator Klass, :a_very_long_method_name, :verrry_long
end

s = Sugar.new
s.verrry_long "Sue"
  # Hi, Sue

In def_delegator Klass, :a_very_long_method_name, :verrry_long, Klass is the receiver of the message forwarding, :a_very_long_method_name is the message to be forwarded and :verrry_long is an alias of the message :a_very_long_method_name.

Upvotes: 5

Related Questions