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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/regions/regions-infer-not-param.stderr | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-infer-not-param.stderr b/src/test/ui/regions/regions-infer-not-param.stderr new file mode 100644 index 000000000..d12f07a77 --- /dev/null +++ b/src/test/ui/regions/regions-infer-not-param.stderr @@ -0,0 +1,40 @@ +error: lifetime may not live long enough + --> $DIR/regions-infer-not-param.rs:15:54 + | +LL | fn take_direct<'a,'b>(p: Direct<'a>) -> Direct<'b> { p } + | -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | | + | lifetime `'a` defined here + | + = help: consider adding the following bound: `'a: 'b` + +error: lifetime may not live long enough + --> $DIR/regions-infer-not-param.rs:20:63 + | +LL | fn take_indirect2<'a,'b>(p: Indirect2<'a>) -> Indirect2<'b> { p } + | -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` + | | + | lifetime `'a` defined here + | + = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of the type `Indirect2<'_>`, which makes the generic argument `'_` invariant + = note: the struct `Indirect2<'a>` is invariant over the parameter `'a` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/regions-infer-not-param.rs:20:63 + | +LL | fn take_indirect2<'a,'b>(p: Indirect2<'a>) -> Indirect2<'b> { p } + | -- -- lifetime `'b` defined here ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | | + | lifetime `'a` defined here + | + = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of the type `Indirect2<'_>`, which makes the generic argument `'_` invariant + = note: the struct `Indirect2<'a>` is invariant over the parameter `'a` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +help: `'b` and `'a` must be the same: replace one with the other + +error: aborting due to 3 previous errors + |