#![cfg_attr(not(feature = "std"), no_std)] #![allow(dead_code)] // some code is tested for type checking only use derive_more::Add; #[derive(Add)] struct MyInts(i32, i32); #[derive(Add)] struct Point2D { x: i32, y: i32, } #[derive(Add)] enum MixedInts { SmallInt(i32), BigInt(i64), TwoSmallInts(i32, i32), NamedSmallInts { x: i32, y: i32 }, UnsignedOne(u32), UnsignedTwo(u32), Unit, }