diff options
Diffstat (limited to 'src/test/ui/variance/variance-covariant-arg-object.rs')
-rw-r--r-- | src/test/ui/variance/variance-covariant-arg-object.rs | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/test/ui/variance/variance-covariant-arg-object.rs b/src/test/ui/variance/variance-covariant-arg-object.rs deleted file mode 100644 index 89cf3117a..000000000 --- a/src/test/ui/variance/variance-covariant-arg-object.rs +++ /dev/null @@ -1,27 +0,0 @@ -#![allow(dead_code)] - -// Test that even when `T` is only used in covariant position, it -// is treated as invariant. - -trait Get<T> : 'static { - fn get(&self) -> T; -} - -fn get_min_from_max<'min, 'max>(v: Box<dyn Get<&'max i32>>) - -> Box<dyn Get<&'min i32>> - where 'max : 'min -{ - // Previously OK, now an error as traits are invariant. - v - //~^ ERROR lifetime may not live long enough -} - -fn get_max_from_min<'min, 'max>(v: Box<dyn Get<&'min i32>>) - -> Box<dyn Get<&'max i32>> - where 'max : 'min -{ - v - //~^ ERROR lifetime may not live long enough -} - -fn main() { } |