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