Add static, runtime and debug assert utilities

codegen/array/snippets/extend_alloc

@@ -1,4 +1,4 @@
-  assert(allocator != NULL && array != NULL && other != NULL);
+  wapp_debug_assert(allocator != NULL && array != NULL && other != NULL, "`allocator`, `array` and `other` should not be NULL");
 
   {ArrayType} *output = array;