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ce2ae62d68
Define the `named_static_lifetimes` lint This lint will replace the existing hard-warning. Replace the named static lifetime hard-warning with the new lint Update the UI tests for the `named_static_lifetimes` lint Remove the direct dependency on `rustc_lint_defs` fix build Signed-off-by: Zhi Qi <qizhi@pingcap.com> use "UNUSED_LIFETIMES" instead Signed-off-by: Zhi Qi <qizhi@pingcap.com> update 1 test and fix typo Signed-off-by: Zhi Qi <qizhi@pingcap.com> update tests Signed-off-by: Zhi Qi <qizhi@pingcap.com> fix tests: add extra blank line Signed-off-by: Zhi Qi <qizhi@pingcap.com>
20 lines
287 B
Rust
20 lines
287 B
Rust
// run-pass
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#![allow(dead_code)]
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// Test that we recognize that if you have
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//
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// 'a : 'static
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//
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// then
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//
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// 'a : 'b
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#![warn(unused_lifetimes)]
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fn test<'a,'b>(x: &'a i32) -> &'b i32
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where 'a: 'static //~ WARN unnecessary lifetime parameter `'a`
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{
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x
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}
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fn main() { }
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