mirror of https://github.com/rust-lang/rust
132 lines
4.9 KiB
Plaintext
132 lines
4.9 KiB
Plaintext
error[E0261]: use of undeclared lifetime name `'a`
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--> $DIR/missing-lifetimes-in-signature.rs:37:11
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LL | fn baz<G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
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| - ^^ undeclared lifetime
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| |
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| help: consider introducing lifetime `'a` here: `'a,`
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error[E0700]: hidden type for `impl FnOnce()` captures lifetime that does not appear in bounds
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--> $DIR/missing-lifetimes-in-signature.rs:19:5
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LL | fn foo<G, T>(g: G, dest: &mut T) -> impl FnOnce()
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| ------ ------------- opaque type defined here
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| |
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| hidden type `{closure@$DIR/missing-lifetimes-in-signature.rs:19:5: 19:12}` captures the anonymous lifetime defined here
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...
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LL | / move || {
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^
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help: to declare that `impl FnOnce()` captures `'_`, you can add an explicit `'_` lifetime bound
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LL | fn foo<G, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
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| ++++
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error[E0311]: the parameter type `G` may not live long enough
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--> $DIR/missing-lifetimes-in-signature.rs:30:5
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LL | fn bar<G, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
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| ------ the parameter type `G` must be valid for the anonymous lifetime defined here...
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...
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LL | / move || {
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^ ...so that the type `G` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL ~ fn bar<'a, G, T>(g: G, dest: &'a mut T) -> impl FnOnce() + 'a
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LL | where
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LL ~ G: Get<T> + 'a,
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error[E0311]: the parameter type `G` may not live long enough
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--> $DIR/missing-lifetimes-in-signature.rs:52:5
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LL | fn qux<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_
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| ------ the parameter type `G` must be valid for the anonymous lifetime defined here...
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...
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LL | / move || {
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^ ...so that the type `G` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | fn qux<'b, 'a, G: 'a + 'b, T>(g: G, dest: &'b mut T) -> impl FnOnce() + 'b
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| +++ ++++ ++ ~~
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error[E0311]: the parameter type `G` may not live long enough
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--> $DIR/missing-lifetimes-in-signature.rs:61:9
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LL | fn qux<'b, G: Get<T> + 'b, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ {
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| ------ the parameter type `G` must be valid for the anonymous lifetime defined here...
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LL | / move || {
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_________^ ...so that the type `G` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | fn qux<'c, 'b, G: Get<T> + 'b + 'c, T>(g: G, dest: &'c mut T) -> impl FnOnce() + 'c {
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| +++ ++++ ++ ~~
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error[E0311]: the parameter type `G` may not live long enough
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--> $DIR/missing-lifetimes-in-signature.rs:73:5
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LL | fn bat<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ + 'a
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| ------ the parameter type `G` must be valid for the anonymous lifetime defined here...
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...
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LL | / move || {
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LL | |
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^ ...so that the type `G` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | fn bat<'b, 'a, G: 'a + 'b, T>(g: G, dest: &'b mut T) -> impl FnOnce() + 'b + 'a
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| +++ ++++ ++ ~~
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error[E0621]: explicit lifetime required in the type of `dest`
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--> $DIR/missing-lifetimes-in-signature.rs:73:5
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LL | fn bat<'a, G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ + 'a
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| ------ help: add explicit lifetime `'a` to the type of `dest`: `&'a mut T`
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...
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LL | / move || {
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LL | |
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^ lifetime `'a` required
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error[E0309]: the parameter type `G` may not live long enough
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--> $DIR/missing-lifetimes-in-signature.rs:85:5
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LL | fn bak<'a, G, T>(g: G, dest: &'a mut T) -> impl FnOnce() + 'a
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| -- the parameter type `G` must be valid for the lifetime `'a` as defined here...
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...
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LL | / move || {
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LL | |
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LL | | *dest = g.get();
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LL | | }
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| |_____^ ...so that the type `G` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | G: Get<T> + 'a,
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| ++++
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error: aborting due to 8 previous errors
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Some errors have detailed explanations: E0261, E0309, E0311, E0621, E0700.
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For more information about an error, try `rustc --explain E0261`.
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