class RegularExpression::AST::Quantifier::Optional
Public Instance Methods
quantify(start, finish) { |start, finish| ... }
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# File lib/regular_expression/ast.rb, line 289 def quantify(start, finish) yield start, finish start.add_transition(NFA::Transition::Epsilon.new(finish)) end
to_dot(parent)
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# File lib/regular_expression/ast.rb, line 285 def to_dot(parent) parent.add_node(object_id, label: "?", shape: "box") end