// 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() {}