100 exercises to learn Rust

exercises/04_traits/09_assoc_vs_generic/Cargo.toml

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

exercises/04_traits/09_assoc_vs_generic/src/lib.rs

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+// TODO: Define a new trait, `Power`, that has a method `power` that raises `self` to the power of `n`.
+//  The trait definition and its implementations should be enough to get the tests to compile and pass.
+
+#[cfg(test)]
+mod tests {
+    use super::Power;
+
+    #[test]
+    fn test_power_u16() {
+        let x: u32 = 2_u32.power(3u16);
+        assert_eq!(x, 8);
+    }
+
+    #[test]
+    fn test_power_u32() {
+        let x: u32 = 2_u32.power(3u32);
+        assert_eq!(x, 8);
+    }
+
+    #[test]
+    fn test_power_ref_u32() {
+        let x: u32 = 2_u32.power(&3u32);
+        assert_eq!(x, 8);
+    }
+}