rust/tests/ui/consts/const-eval/const_fn_ptr_fail2.rs
2023-01-11 09:32:08 +00:00

21 lines
505 B
Rust

// compile-flags: -Zunleash-the-miri-inside-of-you
fn double(x: usize) -> usize {
x * 2
}
const X: fn(usize) -> usize = double;
const fn bar(x: fn(usize) -> usize, y: usize) -> usize {
x(y)
//~^ ERROR evaluation of constant value failed
//~| ERROR evaluation of constant value failed
}
const Y: usize = bar(X, 2); // FIXME: should fail to typeck someday
const Z: usize = bar(double, 2); // FIXME: should fail to typeck someday
fn main() {
assert_eq!(Y, 4);
assert_eq!(Z, 4);
}