havenwood

foo = :untouched
bar = :untouched

[:touched].each do |foo|
  bar = :touched
end

foo #=> :untouched
bar #=> :touched

havenwood

class Foo
  def foo arg = false
    {arg: arg, block: block_given?}
  end
end

class Bar < Foo
  def foo *args
    super
  end