rust/tests/ui/sized-hierarchy/default-supertrait.stderr

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error[E0658]: `?Trait` is not permitted in supertraits
--> $DIR/default-supertrait.rs:8:17
|
LL | trait NegSized: ?Sized { }
| ^^^^^^
|
= note: traits are `?Sized` by default
= help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: `?Trait` is not permitted in supertraits
--> $DIR/default-supertrait.rs:13:21
|
LL | trait NegMetaSized: ?MetaSized { }
| ^^^^^^^^^^
|
= note: traits are `?MetaSized` by default
= help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: `?Trait` is not permitted in supertraits
--> $DIR/default-supertrait.rs:19:24
|
LL | trait NegPointeeSized: ?PointeeSized { }
| ^^^^^^^^^^^^^
|
= note: traits are `?PointeeSized` by default
= help: add `#![feature(more_maybe_bounds)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0277]: the size for values of type `T` cannot be known
--> $DIR/default-supertrait.rs:52:38
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LL | fn with_bare_trait<T: PointeeSized + Bare>() {
| ^^^^ doesn't have a known size
|
note: required by a bound in `Bare`
--> $DIR/default-supertrait.rs:22:1
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LL | trait Bare {}
| ^^^^^^^^^^^^^ required by this bound in `Bare`
help: consider further restricting type parameter `T` with unstable trait `MetaSized`
|
LL | fn with_bare_trait<T: PointeeSized + Bare + std::marker::MetaSized>() {
| ++++++++++++++++++++++++
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/default-supertrait.rs:35:22
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LL | fn with_metasized_supertrait<T: PointeeSized + MetaSized_>() {
| - this type parameter needs to be `Sized`
LL | requires_sized::<T>();
| ^ doesn't have a size known at compile-time
|
note: required by a bound in `requires_sized`
--> $DIR/default-supertrait.rs:24:22
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LL | fn requires_sized<T: Sized>() {}
| ^^^^^ required by this bound in `requires_sized`
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/default-supertrait.rs:43:22
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LL | fn with_pointeesized_supertrait<T: PointeeSized + PointeeSized_>() {
| - this type parameter needs to be `Sized`
LL | requires_sized::<T>();
| ^ doesn't have a size known at compile-time
|
note: required by a bound in `requires_sized`
--> $DIR/default-supertrait.rs:24:22
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LL | fn requires_sized<T: Sized>() {}
| ^^^^^ required by this bound in `requires_sized`
error[E0277]: the size for values of type `T` cannot be known
--> $DIR/default-supertrait.rs:45:26
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LL | requires_metasized::<T>();
| ^ doesn't have a known size
|
note: required by a bound in `requires_metasized`
--> $DIR/default-supertrait.rs:25:26
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LL | fn requires_metasized<T: MetaSized>() {}
| ^^^^^^^^^ required by this bound in `requires_metasized`
help: consider further restricting type parameter `T` with unstable trait `MetaSized`
|
LL | fn with_pointeesized_supertrait<T: PointeeSized + PointeeSized_ + std::marker::MetaSized>() {
| ++++++++++++++++++++++++
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/default-supertrait.rs:54:22
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LL | fn with_bare_trait<T: PointeeSized + Bare>() {
| - this type parameter needs to be `Sized`
LL |
LL | requires_sized::<T>();
| ^ doesn't have a size known at compile-time
|
note: required by a bound in `requires_sized`
--> $DIR/default-supertrait.rs:24:22
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LL | fn requires_sized<T: Sized>() {}
| ^^^^^ required by this bound in `requires_sized`
error[E0277]: the size for values of type `T` cannot be known
--> $DIR/default-supertrait.rs:56:26
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LL | requires_metasized::<T>();
| ^ doesn't have a known size
|
note: required by a bound in `requires_metasized`
--> $DIR/default-supertrait.rs:25:26
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LL | fn requires_metasized<T: MetaSized>() {}
| ^^^^^^^^^ required by this bound in `requires_metasized`
help: consider further restricting type parameter `T` with unstable trait `MetaSized`
|
LL | fn with_bare_trait<T: PointeeSized + Bare + std::marker::MetaSized>() {
| ++++++++++++++++++++++++
error: aborting due to 9 previous errors
Some errors have detailed explanations: E0277, E0658.
For more information about an error, try `rustc --explain E0277`.