diff options
Diffstat (limited to 'src/test/ui/regions/regions-infer-invariance-due-to-decl.stderr')
| -rw-r--r-- | src/test/ui/regions/regions-infer-invariance-due-to-decl.stderr | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-infer-invariance-due-to-decl.stderr b/src/test/ui/regions/regions-infer-invariance-due-to-decl.stderr new file mode 100644 index 000000000..c8c7808e0 --- /dev/null +++ b/src/test/ui/regions/regions-infer-invariance-due-to-decl.stderr @@ -0,0 +1,14 @@ +error: lifetime may not live long enough + --> $DIR/regions-infer-invariance-due-to-decl.rs:12:5 + | +LL | fn to_longer_lifetime<'r>(b_isize: Invariant<'r>) -> Invariant<'static> { + | -- lifetime `'r` defined here +LL | b_isize + | ^^^^^^^ returning this value requires that `'r` must outlive `'static` + | + = note: requirement occurs because of the type `Invariant<'_>`, which makes the generic argument `'_` invariant + = note: the struct `Invariant<'a>` is invariant over the parameter `'a` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: aborting due to previous error + |