diff options
Diffstat (limited to 'tests/ui/inline-const/const-match-pat-lifetime-err.rs')
| -rw-r--r-- | tests/ui/inline-const/const-match-pat-lifetime-err.rs | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/tests/ui/inline-const/const-match-pat-lifetime-err.rs b/tests/ui/inline-const/const-match-pat-lifetime-err.rs deleted file mode 100644 index 7f450ebe6fc..00000000000 --- a/tests/ui/inline-const/const-match-pat-lifetime-err.rs +++ /dev/null @@ -1,47 +0,0 @@ -#![feature(inline_const_pat)] - -use std::marker::PhantomData; - -#[derive(PartialEq, Eq)] -pub struct InvariantRef<'a, T: ?Sized>(&'a T, PhantomData<&'a mut &'a T>); - -#[derive(PartialEq, Eq)] -pub struct CovariantRef<'a, T: ?Sized>(&'a T); - -impl<'a, T: ?Sized> InvariantRef<'a, T> { - pub const fn new(r: &'a T) -> Self { - InvariantRef(r, PhantomData) - } -} - -impl<'a> InvariantRef<'a, ()> { - pub const NEW: Self = InvariantRef::new(&()); -} - -impl<'a> CovariantRef<'a, ()> { - pub const NEW: Self = CovariantRef(&()); -} - -fn match_invariant_ref<'a>() { - let y = (); - match InvariantRef::new(&y) { - //~^ ERROR `y` does not live long enough [E0597] - const { InvariantRef::<'a>::NEW } => (), - } -} - -fn match_covariant_ref<'a>() { - // Unclear if we should error here (should we be able to subtype the type of - // `y.0`), but using the associated const directly in the pattern also - // errors. - let y: (CovariantRef<'static, _>,) = (CovariantRef(&()),); - //~^ ERROR lifetime may not live long enough - match y.0 { - const { CovariantRef::<'a>::NEW } => (), - } -} - -fn main() { - match_invariant_ref(); - match_covariant_ref(); -} |
