diff options
Diffstat (limited to 'src/test/ui/regions/regions-trait-object-subtyping.rs')
-rw-r--r-- | src/test/ui/regions/regions-trait-object-subtyping.rs | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/test/ui/regions/regions-trait-object-subtyping.rs b/src/test/ui/regions/regions-trait-object-subtyping.rs deleted file mode 100644 index 1d7a766de..000000000 --- a/src/test/ui/regions/regions-trait-object-subtyping.rs +++ /dev/null @@ -1,26 +0,0 @@ -trait Dummy { fn dummy(&self); } - -fn foo1<'a:'b,'b>(x: &'a mut (dyn Dummy+'a)) -> &'b mut (dyn Dummy+'b) { - // Here, we are able to coerce - x -} - -fn foo2<'a:'b,'b>(x: &'b mut (dyn Dummy+'a)) -> &'b mut (dyn Dummy+'b) { - // Here, we are able to coerce - x -} - -fn foo3<'a,'b>(x: &'a mut dyn Dummy) -> &'b mut dyn Dummy { - // Without knowing 'a:'b, we can't coerce - x - //~^ ERROR lifetime may not live long enough -} - -struct Wrapper<T>(T); -fn foo4<'a:'b,'b>(x: Wrapper<&'a mut dyn Dummy>) -> Wrapper<&'b mut dyn Dummy> { - // We can't coerce because it is packed in `Wrapper` - x - //~^ ERROR lifetime may not live long enough -} - -fn main() {} |