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// run-pass
#![feature(const_extern_fn)]
const extern "C" fn foo1(val: u8) -> u8 {
val + 1
}
const extern "C" fn foo2(val: u8) -> u8 {
val + 1
}
const unsafe extern "C" fn bar1(val: bool) -> bool {
!val
}
const unsafe extern "C" fn bar2(val: bool) -> bool {
!val
}
fn main() {
let a: [u8; foo1(25) as usize] = [0; 26];
let b: [u8; foo2(25) as usize] = [0; 26];
assert_eq!(a, b);
let bar1_res = unsafe { bar1(false) };
let bar2_res = unsafe { bar2(false) };
assert!(bar1_res);
assert_eq!(bar1_res, bar2_res);
let _foo1_cast: extern "C" fn(u8) -> u8 = foo1;
let _foo2_cast: extern "C" fn(u8) -> u8 = foo2;
let _bar1_cast: unsafe extern "C" fn(bool) -> bool = bar1;
let _bar2_cast: unsafe extern "C" fn(bool) -> bool = bar2;
}
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