Class: MultiType::Group

Inherits:
Object
  • Object
show all
Defined in:
lib/multi_type/group.rb

Instance Method Summary collapse

Constructor Details

#initialize(klasses) ⇒ Group

Returns a new instance of Group.



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# File 'lib/multi_type/group.rb', line 3

def initialize(klasses)
  @klasses = klasses
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/multi_type/group.rb', line 7

def ===(other)
  @klasses.any? { |k| k === other }
end

#inspect ⇒ Object 



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# File 'lib/multi_type/group.rb', line 11

def inspect
  ?< + @klasses.map(&:inspect).join(", ") + ?>
end

#to_module ⇒ Object 



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# File 'lib/multi_type/group.rb', line 15

def to_module
  group = self

  Module.new do
    extend self

    i[inspect ===].each do |m|
      define_method m do |*args|
        group.public_send m, *args
      end
    end

    def add(*other)
      MultiType[self, *other]
    end
  end
end