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Handle fully-qualified paths and add test cases

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This commit is contained in:
Esteban Küber
2020-07-01 14:02:57 -07:00
parent 3712dfc677
commit 53d96b5159
8 changed files with 404 additions and 98 deletions
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46
src/test/ui/suggestions/impl-on-dyn-trait-with-implicit-static-bound.stderr
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@@ -6,7 +6,7 @@ LL | fn use_it<'a, T>(val: &'a dyn ObjectTrait<T>) -> impl OtherTrait<'a> +
LL | val.use_self::<T>()
| ^^^^^^^^ ...is captured and required to live as long as `'static` here
|
note: `impl` of `foo::MyTrait` has a `'static` requirement
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:14:32
|
LL | impl<T> MyTrait<T> for dyn ObjectTrait<T> {
@@ -26,7 +26,7 @@ LL | fn use_it<'a>(val: &'a dyn ObjectTrait) -> impl OtherTrait<'a> + 'a {
LL | val.use_self()
| ^^^^^^^^ ...is captured and required to live as long as `'static` here because of an implicit lifetime bound on the inherent `impl`
|
note: inherent `impl` has a `'static` requirement
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:64:14
|
LL | impl dyn ObjectTrait {
@@ -39,15 +39,15 @@ LL | impl dyn ObjectTrait + '_ {
| ^^^^
error[E0759]: `val` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:87:13
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:88:13
|
LL | fn use_it<'a>(val: &'a dyn ObjectTrait) -> impl OtherTrait<'a> {
| ------------------- this data with lifetime `'a`...
LL | val.use_self()
| ^^^^^^^^ ...is captured and required to live as long as `'static` here
|
note: `impl` of `ban::MyTrait` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:83:26
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:85:26
|
LL | fn use_self(&self) -> &() { panic!() }
| -------- calling this method introduces the `impl`'s 'static` requirement
@@ -63,15 +63,41 @@ help: to declare that the `impl Trait` captures data from argument `val`, you ca
LL | fn use_it<'a>(val: &'a dyn ObjectTrait) -> impl OtherTrait<'a> + 'a {
| ^^^^
error[E0759]: `val` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:108:27
|
LL | fn use_it<'a>(val: &'a dyn ObjectTrait) -> impl OtherTrait<'a> + 'a {
| ------------------- this data with lifetime `'a`...
LL | MyTrait::use_self(val)
| ^^^ ...is captured here...
|
note: ...and is required to live as long as `'static` here
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:108:9
|
LL | MyTrait::use_self(val)
| ^^^^^^^^^^^^^^^^^
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:104:26
|
LL | fn use_self(&self) -> &() { panic!() }
| -------- calling this method introduces the `impl`'s 'static` requirement
...
LL | impl MyTrait for dyn ObjectTrait {}
| ^^^^^^^^^^^ this has an implicit `'static` lifetime requirement
help: consider relaxing the implicit `'static` requirement
|
LL | impl MyTrait for dyn ObjectTrait + '_ {}
| ^^^^
error[E0767]: `val` has lifetime `'a` but calling `use_self` introduces an implicit `'static` lifetime requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:37:13
|
LL | fn use_it<'a>(val: &'a dyn ObjectTrait) -> &'a () {
| ------------------- this data with lifetime `'a`...
LL | val.use_self()
| ^^^^^^^^ ...is captured and required to live as long as `'static` here because of an implicit lifetime on the `impl` of `bar::MyTrait`
| ^^^^^^^^ ...is captured and required to live as long as `'static` here
|
note: `impl` of `bar::MyTrait` has a `'static` requirement
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:31:26
|
LL | impl MyTrait for dyn ObjectTrait {
@@ -89,9 +115,9 @@ error[E0767]: `val` has lifetime `'a` but calling `use_self` introduces an impli
LL | fn use_it<'a>(val: &'a Box<dyn ObjectTrait + 'a>) -> &'a () {
| ----------------------------- this data with lifetime `'a`...
LL | val.use_self()
| ^^^^^^^^ ...is captured and required to live as long as `'static` here because of an implicit lifetime on the `impl` of `baz::MyTrait`
| ^^^^^^^^ ...is captured and required to live as long as `'static` here
|
note: `impl` of `baz::MyTrait` has a `'static` requirement
note: the used `impl` has a `'static` requirement
--> $DIR/impl-on-dyn-trait-with-implicit-static-bound.rs:48:30
|
LL | impl MyTrait for Box<dyn ObjectTrait> {
@@ -103,6 +129,6 @@ help: consider relaxing the implicit `'static` requirement
LL | impl MyTrait for Box<dyn ObjectTrait + '_> {
| ^^^^
error: aborting due to 5 previous errors
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0759`.