class RuboCop::Cop::Style::NegatedWhile

bar while !foo && baz
bar while foo
# good
bar until !foo
# bad
end
bar
until foo
# good
end
bar
while !foo
# bad
@example
Checks for uses of while with a negated condition.

def on_while(node) 

def on_while(node)
  message = format(MSG, inverse: node.inverse_keyword, current: node.keyword)
  check_negative_conditional(node, message: message) do |corrector|
    ConditionCorrector.correct_negative_condition(corrector, node)
  end
end