| // Test that we do not warn for named lifetimes in structs, |
| // even when they are only used once (since to not use a named |
| // lifetime is illegal!) |
| // |
| //@ check-pass |
| |
| // Use forbid to verify that `automatically_derived` is handled correctly. |
| #![forbid(single_use_lifetimes)] |
| #![allow(dead_code)] |
| #![allow(unused_variables)] |
| |
| struct Foo<'f> { |
| data: &'f u32, |
| } |
| |
| enum Bar<'f> { |
| Data(&'f u32), |
| } |
| |
| trait Baz<'f> {} |
| |
| // `Derive`d impls shouldn't trigger a warning, either (Issue #53738). |
| #[derive(Debug)] |
| struct Quux<'a> { |
| priors: &'a u32, |
| } |
| |
| fn main() {} |