diff options
Diffstat (limited to 'tests/ui/suggestions/lifetimes')
5 files changed, 39 insertions, 2 deletions
diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr index 6c63e1ada..2677b7943 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-2.stderr @@ -14,6 +14,6 @@ help: consider adding an explicit lifetime bound LL | fn func<'a, T: Test + 'a>(_dummy: &Foo, foo: &Foo<'a>, t: T) { | +++ ++++ ++++ -error: aborting due to previous error +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0311`. diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-before-const.stderr b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-before-const.stderr index 7b126c90e..00bc43d5e 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-before-const.stderr +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature-before-const.stderr @@ -10,6 +10,6 @@ help: consider introducing a named lifetime parameter LL | fn buggy_const<'a, const N: usize>(_a: &'a Option<[u8; N]>, _f: &'a str) -> &'a str { | +++ ++ ++ ++ -error: aborting due to previous error +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.fixed b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.fixed new file mode 100644 index 000000000..84315ad91 --- /dev/null +++ b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.fixed @@ -0,0 +1,11 @@ +// run-rustfix +use std::any::Any; + +fn foo<T: Any>(value: &T) -> Box<dyn Any + '_> { + Box::new(value) as Box<dyn Any> + //~^ ERROR lifetime may not live long enough +} + +fn main() { + let _ = foo(&5); +} diff --git a/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.rs b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.rs new file mode 100644 index 000000000..fa7e72ff2 --- /dev/null +++ b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.rs @@ -0,0 +1,11 @@ +// run-rustfix +use std::any::Any; + +fn foo<T: Any>(value: &T) -> Box<dyn Any> { + Box::new(value) as Box<dyn Any> + //~^ ERROR lifetime may not live long enough +} + +fn main() { + let _ = foo(&5); +} diff --git a/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.stderr b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.stderr new file mode 100644 index 000000000..73fa5ddb1 --- /dev/null +++ b/tests/ui/suggestions/lifetimes/suggest-using-tick-underscore-lifetime-in-return-trait-object.stderr @@ -0,0 +1,15 @@ +error: lifetime may not live long enough + --> $DIR/suggest-using-tick-underscore-lifetime-in-return-trait-object.rs:5:5 + | +LL | fn foo<T: Any>(value: &T) -> Box<dyn Any> { + | - let's call the lifetime of this reference `'1` +LL | Box::new(value) as Box<dyn Any> + | ^^^^^^^^^^^^^^^ cast requires that `'1` must outlive `'static` + | +help: to declare that the trait object captures data from argument `value`, you can add an explicit `'_` lifetime bound + | +LL | fn foo<T: Any>(value: &T) -> Box<dyn Any + '_> { + | ++++ + +error: aborting due to 1 previous error + |