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-rw-r--r--strings/strings3.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/strings/strings3.rs b/strings/strings3.rs
index a4e5775..b6f6a1e 100644
--- a/strings/strings3.rs
+++ b/strings/strings3.rs
@@ -1,3 +1,4 @@
+// strings3.rs
// Ok, here are a bunch of values-- some are `Strings`, some are `&strs`. Your
// task is to call one of these two functions on each value depending on what
// you think each value is. That is, add either `string_slice` or `string`