rust/tests/ui/attributes/invalid-attributes-on-const-params-78957.rs
2025-08-17 13:01:02 -04:00

31 lines
1.0 KiB
Rust

// https://github.com/rust-lang/rust/issues/78957
#![deny(unused_attributes)]
use std::marker::PhantomData;
pub struct Foo<#[inline] const N: usize>;
//~^ ERROR attribute cannot be used on
pub struct Bar<#[cold] const N: usize>;
//~^ ERROR attribute cannot be used on
//~| WARN previously accepted
pub struct Baz<#[repr(C)] const N: usize>;
//~^ ERROR attribute should be applied to a struct, enum, or union
//
pub struct Foo2<#[inline] 'a>(PhantomData<&'a ()>);
//~^ ERROR attribute cannot be used on
pub struct Bar2<#[cold] 'a>(PhantomData<&'a ()>);
//~^ ERROR attribute cannot be used on
//~| WARN previously accepted
pub struct Baz2<#[repr(C)] 'a>(PhantomData<&'a ()>);
//~^ ERROR attribute should be applied to a struct, enum, or union
//
pub struct Foo3<#[inline] T>(PhantomData<T>);
//~^ ERROR attribute cannot be used on
pub struct Bar3<#[cold] T>(PhantomData<T>);
//~^ ERROR attribute cannot be used on
//~| WARN previously accepted
pub struct Baz3<#[repr(C)] T>(PhantomData<T>);
//~^ ERROR attribute should be applied to a struct, enum, or union
fn main() {}