Method: JSGF::Parser#define_optional

Defined in:
lib/jsgf/parser.rb

#define_optional(*args) ⇒ Object 



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# File 'lib/jsgf/parser.rb', line 42

def define_optional(*args)
    if args.first.respond_to?(:optional)
  args.first.optional = true
  args.first
    else
  JSGF::Optional.new(*args)
    end
end