Module: MDT::Extensible

Included in:
CommandModifiers::Base, Commands::Base, DirectoryChoosers::Base, Fetchers::Base
Defined in:
lib/mdt/modules/extensible.rb

Class Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/mdt/modules/extensible.rb', line 3

def self.included(klass)
  klass.class_eval do
    @descendants = []
    def self.key
      raise MDT::Errors::OverrideNeeded.new('key')
    end

    def self.subkeys
      raise MDT::Errors::OverrideNeeded.new('subkeys')
    end

    def self.inherited(subclass)
      @descendants << subclass
      @descendants.uniq!
    end

    def self.descendants
      @descendants
    end
  end
end