1 files changed, 42 insertions, 0 deletions
diff --git a/exercises/15_traits/traits3.rs b/exercises/15_traits/traits3.rs
new file mode 100644
index 0000000..4e2b06b
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+++ b/exercises/15_traits/traits3.rs
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+// traits3.rs
+//
+// Your task is to implement the Licensed trait for both structures and have
+// them return the same information without writing the same function twice.
+//
+// Consider what you can add to the Licensed trait.
+//
+// Execute `rustlings hint traits3` or use the `hint` watch subcommand for a
+// hint.
+
+// I AM NOT DONE
+
+pub trait Licensed {
+    fn licensing_info(&self) -> String;
+}
+
+struct SomeSoftware {
+    version_number: i32,
+}
+
+struct OtherSoftware {
+    version_number: String,
+}
+
+impl Licensed for SomeSoftware {} // Don't edit this line
+impl Licensed for OtherSoftware {} // Don't edit this line
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn is_licensing_info_the_same() {
+        let licensing_info = String::from("Some information");
+        let some_software = SomeSoftware { version_number: 1 };
+        let other_software = OtherSoftware {
+            version_number: "v2.0.0".to_string(),
+        };
+        assert_eq!(some_software.licensing_info(), licensing_info);
+        assert_eq!(other_software.licensing_info(), licensing_info);
+    }
+}