rust/tests/ui/attributes/linkage.rs

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#![feature(linkage)]
#![feature(stmt_expr_attributes)]
#![deny(unused_attributes)]
#![allow(dead_code)]
#[linkage = "weak"] //~ ERROR attribute should be applied to a function or static
type InvalidTy = ();
#[linkage = "weak"] //~ ERROR attribute should be applied to a function or static
mod invalid_module {}
#[linkage = "weak"] //~ ERROR attribute should be applied to a function or static
struct F;
#[linkage = "weak"] //~ ERROR attribute should be applied to a function or static
impl F {
#[linkage = "weak"]
fn valid(&self) {}
}
#[linkage = "weak"]
fn f() {
#[linkage = "weak"]
{
1
};
//~^^^^ ERROR attribute should be applied to a function or static
}
extern "C" {
#[linkage = "weak"]
static A: *const ();
#[linkage = "weak"]
fn bar();
}
fn main() {
let _ = #[linkage = "weak"]
(|| 1);
//~^^ ERROR attribute should be applied to a function or static
}