mirror of https://github.com/rust-lang/rust
29 lines
1.1 KiB
Plaintext
29 lines
1.1 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/const-impl-requires-const-trait.rs:3:30
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LL | #![feature(const_trait_impl, 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 `A` which is not marked with `#[const_trait]`
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--> $DIR/const-impl-requires-const-trait.rs:8:12
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LL | pub trait A {}
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| - help: mark `A` as const: `#[const_trait]`
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...
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LL | impl const A for () {}
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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: aborting due to 2 previous errors; 1 warning emitted
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