25 lines
540 B
Rust
25 lines
540 B
Rust
//@ run-rustfix
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// Test that we DO warn when lifetime name is not used at all.
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#![deny(unused_lifetimes)]
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#![allow(dead_code, unused_variables)]
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fn september() {}
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//~^ ERROR lifetime parameter `'a` never used
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//~| HELP elide the unused lifetime
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fn october<'b, T>(s: &'b T) -> &'b T {
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//~^ ERROR lifetime parameter `'a` never used
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//~| HELP elide the unused lifetime
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s
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}
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fn november<'a>(s: &'a str) -> &'a str {
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//~^ ERROR lifetime parameter `'b` never used
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//~| HELP elide the unused lifetime
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s
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}
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fn main() {}
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