class Eqn::EqnNode
Eqn
parser node with helper methods for cleaning.
Public Instance Methods
clean_tree!()
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# File lib/eqn/eqn_node.rb, line 8 def clean_tree! # Return if node is a terminal. return if term? # Delete any cruft syntax nodes. elements.delete_if { |node| !node.is_a?(EqnNode) } # Recurse over any elements with their own children. elements.each(&:clean_tree!) end
term?()
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# File lib/eqn/eqn_node.rb, line 4 def term? elements.nil? || elements.empty? end