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instance method
Psych::Visitors::ToRuby#register_empty
register_empty(object)
ext/psych/lib/psych/visitors/to_ruby.rb
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# File tmp/rubies/ruby-3.3.0/ext/psych/lib/psych/visitors/to_ruby.rb, line 338
def register_empty object
list = register(object, [])
object.children.each { |c| list.push accept c }
list
end
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