mirror of https://github.com/rust-lang/rust
122 lines
3.3 KiB
Rust
122 lines
3.3 KiB
Rust
//@ compile-flags: --cfg something --check-cfg=cfg(nothing,something)
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//@ edition:2018
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#![feature(async_closure)]
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#![deny(unused_variables)]
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extern "C" {
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fn ffi(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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#[cfg_attr(something, cfg(nothing))] c: i32,
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#[cfg_attr(nothing, cfg(nothing))] ...
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);
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}
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type FnType = fn(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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#[cfg_attr(something, cfg(nothing))] d: i32,
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);
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async fn foo_async(
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#[cfg(something)] a: i32,
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//~^ ERROR unused variable: `a`
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#[cfg(nothing)] b: i32,
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) {}
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fn foo(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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struct RefStruct {}
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impl RefStruct {
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async fn bar_async(
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&self,
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#[cfg(something)] a: i32,
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//~^ ERROR unused variable: `a`
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#[cfg(nothing)] b: i32,
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) {}
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fn bar(
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&self,
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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fn issue_64682_associated_fn(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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}
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trait RefTrait {
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fn bar(
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&self,
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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fn issue_64682_associated_fn(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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}
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impl RefTrait for RefStruct {
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fn bar(
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&self,
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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fn issue_64682_associated_fn(
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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) {}
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}
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fn main() {
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let _: unsafe extern "C" fn(_, ...) = ffi;
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let _: fn(_, _) = foo;
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let _: FnType = |_, _| {};
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let a = async move |
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#[cfg(something)] a: i32,
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//~^ ERROR unused variable: `a`
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#[cfg(nothing)] b: i32,
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| {};
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let c = |
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#[cfg(nothing)] a: i32,
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#[cfg(something)] b: i32,
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//~^ ERROR unused variable: `b`
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#[cfg_attr(nothing, cfg(nothing))] c: i32,
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//~^ ERROR unused variable: `c`
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#[cfg_attr(something, cfg(nothing))] d: i32,
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| {};
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a(1);
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c(1, 2);
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}
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