mirror of https://github.com/rust-lang/rust
91 lines
3.8 KiB
Plaintext
91 lines
3.8 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/derive-const-use.rs:3:76
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LL | #![feature(const_trait_impl, const_cmp, const_default_impls, derive_const, 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[E0635]: unknown feature `const_cmp`
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--> $DIR/derive-const-use.rs:3:30
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LL | #![feature(const_trait_impl, const_cmp, const_default_impls, derive_const, effects)]
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| ^^^^^^^^^
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error[E0635]: unknown feature `const_default_impls`
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--> $DIR/derive-const-use.rs:3:41
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LL | #![feature(const_trait_impl, const_cmp, const_default_impls, derive_const, effects)]
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| ^^^^^^^^^^^^^^^^^^^
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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 `Default` which is not marked with `#[const_trait]`
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--> $DIR/derive-const-use.rs:7:12
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LL | impl const Default for A {
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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 `Default` which is not marked with `#[const_trait]`
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--> $DIR/derive-const-use.rs:15:16
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LL | #[derive_const(Default, PartialEq)]
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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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= note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]`
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--> $DIR/derive-const-use.rs:11:12
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LL | impl const PartialEq for A {
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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 `PartialEq` which is not marked with `#[const_trait]`
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--> $DIR/derive-const-use.rs:15:25
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LL | #[derive_const(Default, PartialEq)]
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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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= note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0080]: evaluation of constant value failed
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--> $DIR/derive-const-use.rs:16:14
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LL | #[derive_const(Default, PartialEq)]
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| ------- in this derive macro expansion
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LL | pub struct S((), A);
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| ^^ calling non-const function `<() as Default>::default`
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note: inside `<S as Default>::default`
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--> $DIR/derive-const-use.rs:16:14
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LL | #[derive_const(Default, PartialEq)]
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| ------- in this derive macro expansion
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LL | pub struct S((), A);
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| ^^
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note: inside `_`
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--> $DIR/derive-const-use.rs:18:35
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LL | const _: () = assert!(S((), A) == S::default());
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| ^^^^^^^^^^^^
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= note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: aborting due to 8 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0080, E0635.
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For more information about an error, try `rustc --explain E0080`.
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