diff options
Diffstat (limited to 'src/test/ui/regions/region-object-lifetime-in-coercion.stderr')
| -rw-r--r-- | src/test/ui/regions/region-object-lifetime-in-coercion.stderr | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/test/ui/regions/region-object-lifetime-in-coercion.stderr b/src/test/ui/regions/region-object-lifetime-in-coercion.stderr new file mode 100644 index 000000000..b5bb08c73 --- /dev/null +++ b/src/test/ui/regions/region-object-lifetime-in-coercion.stderr @@ -0,0 +1,62 @@ +error: lifetime may not live long enough + --> $DIR/region-object-lifetime-in-coercion.rs:8:12 + | +LL | fn a(v: &[u8]) -> Box<dyn Foo + 'static> { + | - let's call the lifetime of this reference `'1` +LL | let x: Box<dyn Foo + 'static> = Box::new(v); + | ^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'1` must outlive `'static` + | +help: consider changing the trait object's explicit `'static` bound to the lifetime of argument `v` + | +LL | fn a(v: &[u8]) -> Box<dyn Foo + '_> { + | ~~ +help: alternatively, add an explicit `'static` bound to this reference + | +LL | fn a(v: &'static [u8]) -> Box<dyn Foo + 'static> { + | ~~~~~~~~~~~~~ + +error: lifetime may not live long enough + --> $DIR/region-object-lifetime-in-coercion.rs:14:5 + | +LL | fn b(v: &[u8]) -> Box<dyn Foo + 'static> { + | - let's call the lifetime of this reference `'1` +LL | Box::new(v) + | ^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static` + | +help: consider changing the trait object's explicit `'static` bound to the lifetime of argument `v` + | +LL | fn b(v: &[u8]) -> Box<dyn Foo + '_> { + | ~~ +help: alternatively, add an explicit `'static` bound to this reference + | +LL | fn b(v: &'static [u8]) -> Box<dyn Foo + 'static> { + | ~~~~~~~~~~~~~ + +error: lifetime may not live long enough + --> $DIR/region-object-lifetime-in-coercion.rs:21:5 + | +LL | fn c(v: &[u8]) -> Box<dyn Foo> { + | - let's call the lifetime of this reference `'1` +... +LL | Box::new(v) + | ^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static` + | +help: to declare that the trait object captures data from argument `v`, you can add an explicit `'_` lifetime bound + | +LL | fn c(v: &[u8]) -> Box<dyn Foo + '_> { + | ++++ + +error: lifetime may not live long enough + --> $DIR/region-object-lifetime-in-coercion.rs:26:5 + | +LL | fn d<'a,'b>(v: &'a [u8]) -> Box<dyn Foo+'b> { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | Box::new(v) + | ^^^^^^^^^^^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | + = help: consider adding the following bound: `'a: 'b` + +error: aborting due to 4 previous errors + |