rust/tests/ui/single-use-lifetime/one-use-in-struct.rs
2023-01-11 09:32:08 +00:00

29 lines
561 B
Rust

// 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() {}