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// revisions: full min
#![cfg_attr(full, feature(adt_const_params))]
#![cfg_attr(full, allow(incomplete_features))]
struct Test(*const usize);
type PassArg = ();
unsafe extern "C" fn pass(args: PassArg) {
println!("Hello, world!");
}
impl Test {
pub fn call_me<Args: Sized, const IDX: usize, const FN: unsafe extern "C" fn(Args)>(&self) {
//~^ ERROR: using function pointers as const generic parameters is forbidden
//~| ERROR: the type of const parameters must not depend on other generic parameters
self.0 = Self::trampiline::<Args, IDX, FN> as _
}
unsafe extern "C" fn trampiline<
Args: Sized,
const IDX: usize,
const FN: unsafe extern "C" fn(Args),
//~^ ERROR: using function pointers as const generic parameters is forbidden
//~| ERROR: the type of const parameters must not depend on other generic parameters
>(
args: Args,
) {
FN(args)
}
}
fn main() {
let x = Test();
x.call_me::<PassArg, 30, pass>()
}
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