//@ check-pass #![warn(forgetting_references)] use std::mem::forget; struct SomeStruct; fn main() { forget(&SomeStruct); //~ WARN calls to `std::mem::forget` let mut owned = SomeStruct; forget(&owned); //~ WARN calls to `std::mem::forget` forget(&&owned); //~ WARN calls to `std::mem::forget` forget(&mut owned); //~ WARN calls to `std::mem::forget` forget(owned); let reference1 = &SomeStruct; forget(&*reference1); //~ WARN calls to `std::mem::forget` let reference2 = &mut SomeStruct; forget(reference2); //~ WARN calls to `std::mem::forget` let ref reference3 = SomeStruct; forget(reference3); //~ WARN calls to `std::mem::forget` } #[allow(dead_code)] fn test_generic_fn_forget(val: T) { forget(&val); //~ WARN calls to `std::mem::forget` forget(val); } #[allow(dead_code)] fn test_similarly_named_function() { fn forget(_val: T) {} forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name std::mem::forget(&SomeStruct); //~ WARN calls to `std::mem::forget` }