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|
error: lifetime in trait object type must be followed by `+`
--> $DIR/gat-trait-path-parenthesised-args.rs:5:29
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^^
error: parenthesized generic arguments cannot be used in associated type constraints
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^^^^^
|
help: use angle brackets instead
|
LL | fn foo<'a>(arg: Box<dyn X<Y<'a> = &'a ()>>) {}
| ~ ~
error: parenthesized generic arguments cannot be used in associated type constraints
--> $DIR/gat-trait-path-parenthesised-args.rs:18:27
|
LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {}
| ^--
| |
| help: remove these parentheses
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
help: add missing lifetime argument
|
LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {}
| +++
error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^---- help: remove the unnecessary generics
| |
| expected 0 generic arguments
|
note: associated type defined here, with 0 generic parameters
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: add missing lifetime argument
|
LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {}
| +++
error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^---- help: remove the unnecessary generics
| |
| expected 0 generic arguments
|
note: associated type defined here, with 0 generic parameters
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: add missing lifetime argument
|
LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {}
| +++
error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:5:27
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^---- help: remove the unnecessary generics
| |
| expected 0 generic arguments
|
note: associated type defined here, with 0 generic parameters
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0224]: at least one trait is required for an object type
--> $DIR/gat-trait-path-parenthesised-args.rs:5:29
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^^
error[E0038]: the trait `X` cannot be made into an object
--> $DIR/gat-trait-path-parenthesised-args.rs:5:21
|
LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {}
| ^^^^^^^^^^^^^^^^^^^^^ `X` cannot be made into an object
|
note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | trait X {
| - this trait cannot be made into an object...
LL | type Y<'a>;
| ^ ...because it contains the generic associated type `Y`
= help: consider moving `Y` to another trait
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:18:27
|
LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
help: add missing lifetime argument
|
LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {}
| ++
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:18:27
|
LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: add missing lifetime argument
|
LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {}
| ++
error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied
--> $DIR/gat-trait-path-parenthesised-args.rs:18:27
|
LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {}
| ^ expected 1 lifetime argument
|
note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | type Y<'a>;
| ^ --
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
help: add missing lifetime argument
|
LL | fn bar<'a>(arg: Box<dyn X<Y('_) = ()>>) {}
| ++
error[E0038]: the trait `X` cannot be made into an object
--> $DIR/gat-trait-path-parenthesised-args.rs:18:21
|
LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {}
| ^^^^^^^^^^^^^^^ `X` cannot be made into an object
|
note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $DIR/gat-trait-path-parenthesised-args.rs:2:8
|
LL | trait X {
| - this trait cannot be made into an object...
LL | type Y<'a>;
| ^ ...because it contains the generic associated type `Y`
= help: consider moving `Y` to another trait
error: aborting due to 15 previous errors
Some errors have detailed explanations: E0038, E0107, E0224.
For more information about an error, try `rustc --explain E0038`.
|
