Method: Graph#arrowhead

Defined in:
lib/graph.rb

#arrowhead(shape) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/graph.rb', line 156

def arrowhead shape
  raise ArgumentError, "Bad arrow shape: #{shape}" unless shape =~ ARROW_RE
  Attribute.new "arrowhead = #{shape}"
end