Created
July 6, 2013 14:59
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class Plugin | |
def self.plugins | |
@plugins ||= [] | |
end | |
def self.inherited(klass) | |
@plugins ||= [] | |
@plugins << klass | |
end | |
# Usually a good idea for debugging if you have lots of methods | |
def handle_command(thing) | |
raise "#{self.class.name} doesn't implement `handle_command`!" | |
end | |
end | |
class Dog < Plugin | |
def handle_command(thing) | |
puts thing | |
end | |
end | |
Plugin.plugins.each do |plugin_class| | |
plugin_class.new.handle_command('test') | |
end |
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