mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 14:31:55 +00:00
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
|
|
#![allow(dead_code)]
|
|
// Test that we recognize that if you have
|
|
//
|
|
// 'a : 'static
|
|
//
|
|
// then
|
|
//
|
|
// 'a : 'b
|
|
|
|
#![warn(unused_lifetimes)]
|
|
|
|
fn test<'a,'b>(x: &'a i32) -> &'b i32
|
|
where 'a: 'static //~ WARN unnecessary lifetime parameter `'a`
|
|
{
|
|
x
|
|
}
|
|
|
|
fn main() { }
|