29 lines
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
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: 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: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0635`.
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