initial commit

exercises/03_ticket_v1/11_destructor/Cargo.toml

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+[package]
+name = "destructor"
+version = "0.1.0"
+edition = "2021"

exercises/03_ticket_v1/11_destructor/src/lib.rs

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+// We need some more machinery to write a proper exercise for destructors.
+// We'll pick the concept up again in a later chapter after covering traits and
+// interior mutability.
+fn outro() -> &'static str {
+    "I have a basic understanding of __!"
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::outro;
+
+    #[test]
+    fn test_outro() {
+        assert_eq!(outro(), "I have a basic understanding of destructors!");
+    }
+}