Clarify that DestroyDebugReportCallbackEXT must be a static method

Overv · Overv · commit f7363e94636b · 2016-11-03T23:28:42.000+01:00
diff --git a/03_Drawing_a_triangle/00_Setup/02_Validation_layers.md b/03_Drawing_a_triangle/00_Setup/02_Validation_layers.md
@@ -342,7 +342,8 @@ void DestroyDebugReportCallbackEXT(VkInstance instance, VkDebugReportCallbackEXT
 }
 ```
 
-We can then specify it as cleanup function:
+Make sure that this function is either a static class function or a function
+outside the class. We can then specify it as cleanup function:
 
 ```c++
 VDeleter<VkDebugReportCallbackEXT> callback{instance, DestroyDebugReportCallbackEXT};

Original file line number	Diff line number	Diff line change
`@@ -342,7 +342,8 @@ void DestroyDebugReportCallbackEXT(VkInstance instance, VkDebugReportCallbackEXT`
`342`	`342`	`}`
`343`	`343`	```
`344`	`344`
`345`		`-We can then specify it as cleanup function:`
	`345`	`+Make sure that this function is either a static class function or a function`
	`346`	`+outside the class. We can then specify it as cleanup function:`
`346`	`347`
`347`	`348`	```c++
`348`	`349`	`VDeleter<VkDebugReportCallbackEXT> callback{instance, DestroyDebugReportCallbackEXT};`