SyntaxSuggest::PriorityQueue#bubble_up

# File tmp/rubies/ruby-3.3.0/lib/syntax_suggest/priority_queue.rb, line 69
        def bubble_up(index, element)
  return if index <= 0

  parent_index = (index - 1) / 2
  parent = @elements[parent_index]

  return if (parent <=> element) >= 0

  exchange(index, parent_index)
  bubble_up(parent_index, element)
end