diff --git a/ash/src/device.rs b/ash/src/device.rs
index 67bd43a..d4ccf86 100644
--- a/ash/src/device.rs
+++ b/ash/src/device.rs
@@ -100,6 +100,7 @@ impl<'r> Device<'r> {
             self.device_fn.destroy_semaphore(self.handle, semaphore, ptr::null());
         }
     }
+
     pub fn device_wait_idle(&self) -> VkResult<()> {
         unsafe {
             let err_code = self.device_fn.device_wait_idle(self.handle);
@@ -123,6 +124,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn reset_fences(&self, fences: &[vk::Fence]) -> VkResult<()> {
         unsafe {
             let err_code = self.device_fn
@@ -180,6 +182,7 @@ impl<'r> Device<'r> {
             self.device_fn.cmd_end_render_pass(command_buffer);
         }
     }
+
     pub fn cmd_draw(&self,
                     command_buffer: vk::CommandBuffer,
                     vertex_count: vk::uint32_t,
@@ -203,6 +206,7 @@ impl<'r> Device<'r> {
                                             viewports.as_ptr());
         }
     }
+
     pub fn acquire_next_image_khr(&self,
                                   swapchain: vk::SwapchainKHR,
                                   timeout: vk::uint64_t,
@@ -224,6 +228,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn create_semaphore(&self,
                             create_info: &vk::SemaphoreCreateInfo)
                             -> VkResult<vk::Semaphore> {
@@ -258,6 +263,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn create_buffer(&self, create_info: &vk::BufferCreateInfo) -> VkResult<vk::Buffer> {
         unsafe {
             let mut buffer = mem::uninitialized();
@@ -443,6 +449,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn queue_submit(&self,
                         queue: vk::Queue,
                         submits: &[vk::SubmitInfo],
@@ -474,6 +481,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn get_swapchain_images_khr(&self,
                                     swapchain: vk::SwapchainKHR)
                                     -> VkResult<Vec<vk::Image>> {
@@ -507,6 +515,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn create_command_pool(&self,
                                create_info: &vk::CommandPoolCreateInfo)
                                -> VkResult<vk::CommandPool> {
@@ -520,6 +529,7 @@ impl<'r> Device<'r> {
             }
         }
     }
+
     pub fn create_swapchain_khr(&self,
                                 create_info: &vk::SwapchainCreateInfoKHR)
                                 -> VkResult<vk::SwapchainKHR> {
diff --git a/ash/src/instance.rs b/ash/src/instance.rs
index 65c672b..82b7aa8 100644
--- a/ash/src/instance.rs
+++ b/ash/src/instance.rs
@@ -24,11 +24,13 @@ impl<'r> Instance<'r> {
             _lifetime: ::std::marker::PhantomData,
         }
     }
+
     pub fn destroy_instance(&self) {
         unsafe {
             self.instance_fn.destroy_instance(self.handle, ptr::null());
         }
     }
+
     pub fn destroy_debug_report_callback_ext(&self, debug: vk::DebugReportCallbackEXT) {
         unsafe {
             self.instance_fn.destroy_debug_report_callback_ext(self.handle, debug, ptr::null());
@@ -51,6 +53,7 @@ impl<'r> Instance<'r> {
             }
         }
     }
+
     pub fn get_physical_device_memory_properties(&self,
                                                  physical_device: vk::PhysicalDevice)
                                                  -> vk::PhysicalDeviceMemoryProperties {
@@ -85,6 +88,7 @@ impl<'r> Instance<'r> {
             }
         }
     }
+
     pub fn get_physical_device_surface_capabilities_khr(&self,
                                                         physical_device: vk::PhysicalDevice,
                                                         surface: vk::SurfaceKHR)
@@ -131,6 +135,7 @@ impl<'r> Instance<'r> {
             self.instance_fn.destroy_surface_khr(self.handle, surface, ptr::null());
         }
     }
+
     pub fn create_xlib_surface_khr(&self,
                                    create_info: &vk::XlibSurfaceCreateInfoKHR)
                                    -> VkResult<vk::SurfaceKHR> {
@@ -145,6 +150,7 @@ impl<'r> Instance<'r> {
         }
 
     }
+
     pub fn get_physical_device_surface_support_khr(&self,
                                                    physical_device: vk::PhysicalDevice,
                                                    queue_index: vk::uint32_t,
@@ -159,8 +165,8 @@ impl<'r> Instance<'r> {
                                                          &mut b);
             b > 0
         }
-
     }
+
     pub fn get_physical_device_queue_family_properties(&self,
                                                        physical_device: vk::PhysicalDevice)
                                                        -> Vec<vk::QueueFamilyProperties> {