Module: Interface

Defined in:
lib/interface.rb,
lib/interface/version.rb,
lib/interface/abstract.rb

Overview

Implementable interfaces in ruby

Defined Under Namespace

Modules: Abstract, Version

Instance Method Summary collapse

Instance Method Details

#implements(*modules) ⇒ Object Also known as: implement

Takes a module (or multiple in reverse order), extends it with Interface::Abstract, then includes it into the current object

Example

module Remote
  # turns the device on
  def on
  end
end

class Device
  implements Remote

  def on
    @power = true
  end
end



23
24
25
 
# File 'lib/interface.rb', line 23

def implements(*modules)
  modules.flatten.reverse!.each { |mod| include mod.extend(Abstract) }
end

#interfaces ⇒ Object

Returns an array of interfaces implemented by the current object



31
32
33
 
# File 'lib/interface.rb', line 31

def interfaces
  included_modules.select { |mod| mod.is_a?(Abstract) }
end