Module: GraphBuilder::Linkable

Defined in:

lib/graph_builder/linkable.rb

Instance Method Summary

• #link_to(other) ⇒ Object

  links other to self.

• #linked_to ⇒ Object

  returns array of objects to which self is linked.

• #links ⇒ Object

  returns array of [ self, object ] where each object linked to self.

Instance Method Details

#link_to(other) ⇒ Object

links other to self

# File 'lib/graph_builder/linkable.rb', line 5

def link_to other
  linked_to << other
end

#linked_to ⇒ Object

returns array of objects to which self is linked

# File 'lib/graph_builder/linkable.rb', line 10

def linked_to
  @linked_to ||= []
end

#links ⇒ Object

returns array of [ self, object ] where each object linked to self

# File 'lib/graph_builder/linkable.rb', line 15

def links
  linked_to.map{|to|[self,to]}
end