ARC vs GC gotcha example

no_workie_2.rb

describe WebService

  def test_request(t, path, params, &block)
    # Local variable t persists in both callbacks
    # However, `block` doesn't make it
    @result = nil
    WebService.post(path, params) do |result|
      @result = result
      t.resume
    end

    t.wait_max 0.2 do
      # `block` is `nil`
      block.call(@result)
    end
  end

  it 'test example' do
    test_request(self, 'path', 'pin' => '123456') do |result
      result.should.be.success
    end
  end

end

works.rb

describe WebService

  # This example works as expected. See notes

  def test_request(t, path, params, block)
    # Local variables t, and block persist in both callbacks
    # @request persists in both callbacks
    @result = nil
    WebService.post(path, params) do |result|
      @result = result
      t.resume
    end

    t.wait_max 0.2 do
      block.call(@result)
    end
  end

  it 'test example' do
    test_request(self, 'path', 'pin' => '123456', ->(result) {
      result.should.be.success
    })
  end

end