1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
#![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
}
|