adding notes on include guards

2024-01-18 18:04:10 -05:00
parent 98d21f87cb
commit be1b4e77dd
1 changed files with 2 additions and 0 deletions
--- a/hws/02_ride_sharing/README.md
+++ b/hws/02_ride_sharing/README.md
@@ -328,6 +328,8 @@ and at the very bottom of your .h file, add this line:
 #endif
 ```

+This technique is known as the "Include Guards". Include guards ensure that the compiler will process a header file only once, no matter how many times it is included.
+
 ## Program Requirements & Submission Details

 Use good coding style when you design and implement your program. Organize your program into functions: