class RSpec::Core::Hooks::HookCollection

def for(example_or_group)
  self.class.
    new(hooks.select { |hook| hook.options_apply?(example_or_group) }).
    with(example_or_group)
end

def run
  hooks.each { |h| h.run(@example) }
end

def with(example)
  @example = example
  self
end