#![deny(dead_code)] #[derive(Clone)] enum Enum { Variant1, //~ ERROR: variant `Variant1` is never constructed Variant2, } #[derive(Debug)] enum TupleVariant { Variant1(i32), //~ ERROR: variant `Variant1` is never constructed Variant2, } #[derive(Debug)] enum StructVariant { Variant1 { id: i32 }, //~ ERROR: variant `Variant1` is never constructed Variant2, } fn main() { let e = Enum::Variant2; e.clone(); let _ = TupleVariant::Variant2; let _ = StructVariant::Variant2; }