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-rw-r--r--error_handling/errors3.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/error_handling/errors3.rs b/error_handling/errors3.rs
index 3ecffbc..9b285e0 100644
--- a/error_handling/errors3.rs
+++ b/error_handling/errors3.rs
@@ -1,3 +1,4 @@
+// errors3.rs
// This is a program that is trying to use a completed version of the
// `total_cost` function from the previous exercise. It's not working though--
// we can't call the `try!` macro in the `main()` function! Why not?