Added filename to top of .rs files

1 files changed, 2 insertions, 0 deletions

diff --git a/if/if1.rs b/if/if1.rs
index c2ea734..5118657 100644
--- a/if/if1.rs
+++ b/if/if1.rs
@@ -1,3 +1,5 @@
+// if1.rs
+
 pub fn bigger(a: i32, b:i32) -> i32 {
     // Complete this function to return the bigger number!
     // Do not use: