1 // SPDX-License-Identifier: Apache-2.0 OR MIT 2 3 use pin_project_lite::pin_project; 4 5 pin_project! { 6 #[project = EnumProj] 7 #[project_ref = EnumProjRef] 8 enum Enum<T, U> { 9 Struct { 10 #[pin] 11 pinned: T, 12 unpinned: U, 13 }, 14 Unit, 15 } 16 impl<T, U> PinnedDrop for Enum<T, U> { 17 fn drop(this: Pin<&mut Self>) { 18 let _ = this; 19 } 20 } 21 } 22 main()23fn main() {} 24