diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs new file mode 100644 index 000000000..14539d4b6 --- /dev/null +++ b/tests/ui/rfcs/rfc-2565-param-attrs/param-attrs-cfg.rs @@ -0,0 +1,121 @@ +// compile-flags: --cfg something +// edition:2018 + +#![feature(async_closure)] +#![deny(unused_variables)] + +extern "C" { + fn ffi( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + #[cfg_attr(something, cfg(nothing))] c: i32, + #[cfg_attr(nothing, cfg(nothing))] ... + ); +} + +type FnType = fn( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + #[cfg_attr(nothing, cfg(nothing))] c: i32, + #[cfg_attr(something, cfg(nothing))] d: i32, +); + +async fn foo_async( + #[cfg(something)] a: i32, + //~^ ERROR unused variable: `a` + #[cfg(nothing)] b: i32, +) {} +fn foo( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, +) {} + +struct RefStruct {} +impl RefStruct { + async fn bar_async( + &self, + #[cfg(something)] a: i32, + //~^ ERROR unused variable: `a` + #[cfg(nothing)] b: i32, + ) {} + fn bar( + &self, + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} + fn issue_64682_associated_fn( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} +} +trait RefTrait { + fn bar( + &self, + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} + fn issue_64682_associated_fn( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} +} +impl RefTrait for RefStruct { + fn bar( + &self, + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} + fn issue_64682_associated_fn( + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + ) {} +} + +fn main() { + let _: unsafe extern "C" fn(_, ...) = ffi; + let _: fn(_, _) = foo; + let _: FnType = |_, _| {}; + let a = async move | + #[cfg(something)] a: i32, + //~^ ERROR unused variable: `a` + #[cfg(nothing)] b: i32, + | {}; + let c = | + #[cfg(nothing)] a: i32, + #[cfg(something)] b: i32, + //~^ ERROR unused variable: `b` + #[cfg_attr(nothing, cfg(nothing))] c: i32, + //~^ ERROR unused variable: `c` + #[cfg_attr(something, cfg(nothing))] d: i32, + | {}; + a(1); + c(1, 2); +} |