Class: Module

Inherits:
Object
  • Object
show all
Defined in:
lib/extensions/module.rb

Instance Method Summary collapse

Instance Method Details

#abstract(method_name) ⇒ Object

Document methods that MUST be overridden by child classes.



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# File 'lib/extensions/module.rb', line 4

def abstract(method_name)
  define_method(method_name) do
    fail NotImplementedError
  end
end

#delegate(*methods, to: nil) ⇒ Object

Delegate a set of methods to another object. This is meant to be a simpler version of Rails' ActiveSupport implementation.



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# File 'lib/extensions/module.rb', line 22

def delegate(*methods, to: nil)
  fail ArgumentError, "Must specify target of `delegate` using `to` keyword argument." if to.nil?
  to = to.to_sym
  to = "self.#{to}" unless to.start_with?("@")
  methods.each do |method|
    define_method(method) do |*args|
      receiver = instance_eval(to)
      receiver.__send__(method, *args)
    end
  end
end

#overridable(method_name) ⇒ Object

Document methods that CAN or SHOULD be overridden by child classes.



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# File 'lib/extensions/module.rb', line 11

def overridable(method_name)
  method_name
end

#override(method_name) ⇒ Object

Document methods that are overriding a parent class.



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# File 'lib/extensions/module.rb', line 16

def override(method_name)
  method_name
end