diff options
Diffstat (limited to 'src/test/ui/lint/unused/lint-unused-variables.rs')
-rw-r--r-- | src/test/ui/lint/unused/lint-unused-variables.rs | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/lint-unused-variables.rs b/src/test/ui/lint/unused/lint-unused-variables.rs new file mode 100644 index 000000000..6850e9992 --- /dev/null +++ b/src/test/ui/lint/unused/lint-unused-variables.rs @@ -0,0 +1,79 @@ +// compile-flags: --cfg something +// edition:2018 + +#![feature(async_closure)] +#![deny(unused_variables)] + +async fn foo_async( + a: i32, + //~^ ERROR unused variable: `a` + #[allow(unused_variables)] b: i32, +) {} +fn foo( + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` +) {} + +struct RefStruct {} +impl RefStruct { + async fn bar_async( + &self, + a: i32, + //~^ ERROR unused variable: `a` + #[allow(unused_variables)] b: i32, + ) {} + fn bar( + &self, + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} + fn issue_64682_associated_fn( + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} +} +trait RefTrait { + fn bar( + &self, + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} + fn issue_64682_associated_fn( + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} +} +impl RefTrait for RefStruct { + fn bar( + &self, + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} + fn issue_64682_associated_fn( + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + ) {} +} + +fn main() { + let _: fn(_, _) = foo; + let a = async move | + a: i32, + //~^ ERROR unused variable: `a` + #[allow(unused_variables)] b: i32, + | {}; + let b = | + #[allow(unused_variables)] a: i32, + b: i32, + //~^ ERROR unused variable: `b` + | {}; + let _ = a(1, 2); + let _ = b(1, 2); +} |