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/* Appellation: default <test> Contrib: FL03 <jo3mccain@icloud.com> */ #![cfg(test)] fn addition<A, B, C>(a: A, b: B) -> C where A: std::ops::Add<B, Output = C>, { a + b } #[test] fn compiles() { let result = addition(2, 2); assert_eq!(result, 4); }