class RuboCop::Cop::Style::InfiniteLoop

end
work
loop do
# good
end
work
while true
# bad
@example
Use ‘Kernel#loop` for infinite loops.

def autocorrect(node) 

def autocorrect(node)
  condition_node, = *node
  start_range = node.loc.keyword.begin
  end_range = if node.loc.begin
                node.loc.begin.end
              else
                condition_node.loc.expression.end
              end
  lambda do |corrector|
    corrector.replace(start_range.join(end_range), 'loop do')
  end
end

def on_until(node) 

def on_until(node)
  condition, = *node
  return unless FALSEY_LITERALS.include?(condition.type)
  add_offense(node, :keyword)
end

def on_while(node) 

def on_while(node)
  condition, = *node
  return unless TRUTHY_LITERALS.include?(condition.type)
  add_offense(node, :keyword)
end