mirror of https://github.com/rust-lang/rust
65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/spec-effectvar-ice.rs:4:12
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LL | #![feature(effects)]
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| ^^^^^^^
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= note: see issue #102090 <https://github.com/rust-lang/rust/issues/102090> for more information
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= note: `#[warn(incomplete_features)]` on by default
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error: using `#![feature(effects)]` without enabling next trait solver globally
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= note: the next trait solver must be enabled globally for the effects feature to work correctly
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= help: use `-Znext-solver` to enable
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error: const `impl` for trait `Foo` which is not marked with `#[const_trait]`
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--> $DIR/spec-effectvar-ice.rs:12:15
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LL | trait Foo {}
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| - help: mark `Foo` as const: `#[const_trait]`
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LL |
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LL | impl<T> const Foo for T {}
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| ^^^
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= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
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= note: adding a non-const method body in the future would be a breaking change
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error: const `impl` for trait `Foo` which is not marked with `#[const_trait]`
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--> $DIR/spec-effectvar-ice.rs:15:15
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LL | trait Foo {}
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| - help: mark `Foo` as const: `#[const_trait]`
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...
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LL | impl<T> const Foo for T where T: const Specialize {}
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| ^^^
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= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
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= note: adding a non-const method body in the future would be a breaking change
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error: `const` can only be applied to `#[const_trait]` traits
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--> $DIR/spec-effectvar-ice.rs:15:40
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LL | impl<T> const Foo for T where T: const Specialize {}
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| ^^^^^^^^^^
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error: specialization impl does not specialize any associated items
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--> $DIR/spec-effectvar-ice.rs:15:1
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LL | impl<T> const Foo for T where T: const Specialize {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: impl is a specialization of this impl
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--> $DIR/spec-effectvar-ice.rs:12:1
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LL | impl<T> const Foo for T {}
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| ^^^^^^^^^^^^^^^^^^^^^^^
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error: cannot specialize on trait `Specialize`
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--> $DIR/spec-effectvar-ice.rs:15:34
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LL | impl<T> const Foo for T where T: const Specialize {}
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| ^^^^^^^^^^^^^^^^
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error: aborting due to 6 previous errors; 1 warning emitted
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