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