rust/tests/ui/consts/const-eval/generic-slice.rs

32 lines
764 B
Rust

// Several variants of #64945.
// This struct is not important, we just use it to put `T` and `'a` in scope for our associated
// consts.
struct Generic<'a, T>(std::marker::PhantomData<&'a T>);
impl<'a, T: 'static> Generic<'a, T> {
const EMPTY_SLICE: &'a [T] = {
let x: &'a [T] = &[];
x
};
const EMPTY_SLICE_REF: &'a &'static [T] = {
let x: &'static [T] = &[];
&x
//~^ ERROR `x` does not live long enough
};
}
static mut INTERIOR_MUT_AND_DROP: &'static [std::cell::RefCell<Vec<i32>>] = {
let x: &[_] = &[];
x
};
static mut INTERIOR_MUT_AND_DROP_REF: &'static &'static [std::cell::RefCell<Vec<i32>>] = {
let x: &[_] = &[];
&x
//~^ ERROR `x` does not live long enough
};
fn main() {}