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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/variance/variance-invariant-arg-object.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/variance/variance-invariant-arg-object.rs b/src/test/ui/variance/variance-invariant-arg-object.rs new file mode 100644 index 000000000..7381b4130 --- /dev/null +++ b/src/test/ui/variance/variance-invariant-arg-object.rs @@ -0,0 +1,23 @@ +#![allow(dead_code)] + +trait Get<T> : 'static { + fn get(&self, t: T) -> T; +} + +fn get_min_from_max<'min, 'max>(v: Box<dyn Get<&'max i32>>) + -> Box<dyn Get<&'min i32>> + where 'max : 'min +{ + 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() { } |