153 lines
6.7 KiB
Plaintext
153 lines
6.7 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: 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[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
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--> $DIR/derive-const-use.rs:7:6
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LL | impl const Default for A {
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| ^^^^^ unconstrained const parameter
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= note: expressions using a const parameter must map each value to a distinct output value
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= note: proving the result of expressions other than the parameter are unique is not supported
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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[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
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--> $DIR/derive-const-use.rs:11:6
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LL | impl const PartialEq for A {
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| ^^^^^ unconstrained const parameter
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= note: expressions using a const parameter must map each value to a distinct output value
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= note: proving the result of expressions other than the parameter are unique is not supported
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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[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
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= note: expressions using a const parameter must map each value to a distinct output value
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= note: proving the result of expressions other than the parameter are unique is not supported
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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[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
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= note: expressions using a const parameter must map each value to a distinct output value
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= note: proving the result of expressions other than the parameter are unique is not supported
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0284]: type annotations needed
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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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| ^^^^^^^^^^^^ cannot infer the value of the constant `_`
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note: required for `S` to implement `Default`
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--> $DIR/derive-const-use.rs:15:16
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LL | #[derive_const(Default, PartialEq)]
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| ^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
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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[E0284]: type annotations needed
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--> $DIR/derive-const-use.rs:18:23
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LL | const _: () = assert!(S((), A) == S::default());
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| ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
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note: required for `S` to implement `PartialEq`
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--> $DIR/derive-const-use.rs:15:25
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LL | #[derive_const(Default, PartialEq)]
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| ^^^^^^^^^ unsatisfied trait bound introduced in this `derive` macro
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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[E0284]: type annotations needed
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--> $DIR/derive-const-use.rs:16:18
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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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| ^ cannot infer the value of the constant `_`
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note: required for `A` to implement `Default`
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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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| |
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| unsatisfied trait bound introduced here
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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[E0284]: type annotations needed
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--> $DIR/derive-const-use.rs:16:18
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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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| ^ cannot infer the value of the constant `_`
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note: required for `A` to implement `PartialEq`
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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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| |
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| unsatisfied trait bound introduced here
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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: aborting due to 14 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0207, E0284, E0635.
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For more information about an error, try `rustc --explain E0207`.
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