rust/tests/ui/thread-local/non-static.rs
2025-12-20 15:38:42 +01:00

30 lines
668 B
Rust

// Check that #[thread_local] attribute is rejected on non-static items.
#![feature(thread_local)]
#[thread_local]
//~^ ERROR `#[thread_local]` attribute cannot be used on constants
const A: u32 = 0;
#[thread_local]
//~^ ERROR `#[thread_local]` attribute cannot be used on functions
fn main() {
#[thread_local] || {};
//~^ ERROR `#[thread_local]` attribute cannot be used on closures
}
struct S {
#[thread_local]
//~^ ERROR `#[thread_local]` attribute cannot be used on struct fields
a: String,
b: String,
}
#[thread_local]
// Static. OK.
static B: u32 = 0;
extern "C" {
#[thread_local]
// Foreign static. OK.
static C: u32;
}