Class: Tangle::Directed::Edge

Inherits:
Edge
  • Object
show all
Defined in:
lib/tangle/directed/edge.rb

Overview

An edge in a directed graph

Instance Attribute Summary

Attributes inherited from Edge

#graph, #name, #vertices

Instance Method Summary collapse

Methods inherited from Edge

#dup_into, #eql?, #inspect, #other, #walk

Constructor Details

#initialize(vertex1, vertex2 = vertex1, graph: nil) ⇒ Edge

Returns a new instance of Edge.



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# File 'lib/tangle/directed/edge.rb', line 9

def initialize(vertex1, vertex2 = vertex1, graph: nil)
  @child, @parent = @vertices = [vertex1, vertex2]
  super
end

Instance Method Details

#child(_vertex = nil) ⇒ Object 



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# File 'lib/tangle/directed/edge.rb', line 26

def child(_vertex = nil)
  @child
end

#child?(vertex) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tangle/directed/edge.rb', line 22

def child?(vertex)
  @child == vertex
end

#parent(_vertex = nil) ⇒ Object 



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# File 'lib/tangle/directed/edge.rb', line 18

def parent(_vertex = nil)
  @parent
end

#parent?(vertex) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tangle/directed/edge.rb', line 14

def parent?(vertex)
  @parent == vertex
end