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``` error: `S2<'_>` is forbidden as the type of a const generic parameter --> $DIR/lifetime-in-const-param.rs:5:23 | LL | struct S<'a, const N: S2>(&'a ()); | ^^ | = note: the only supported types are integers, `bool` and `char` help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types | LL + #![feature(adt_const_params)] | ``` Fix #55941.
58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/const_trait_impl.rs:34:16
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LL | impl<T: ~const Default> const A for T {
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| ^^^^^^^
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error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/const_trait_impl.rs:40:16
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LL | impl<T: ~const Default + ~const Sup> const A for T {
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| ^^^^^^^
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error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/const_trait_impl.rs:46:16
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LL | impl<T: ~const Default + ~const Sub> const A for T {
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| ^^^^^^^
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error[E0015]: cannot call non-const fn `<() as A>::a` in constants
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--> $DIR/const_trait_impl.rs:52:23
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LL | const _: () = assert!(<()>::a() == 42);
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| ^^^^^^^^^
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= note: calls in constants are limited to constant functions, tuple structs and tuple variants
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help: add `#![feature(effects)]` to the crate attributes to enable
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LL + #![feature(effects)]
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error[E0015]: cannot call non-const fn `<u8 as A>::a` in constants
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--> $DIR/const_trait_impl.rs:53:23
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LL | const _: () = assert!(<u8>::a() == 3);
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| ^^^^^^^^^
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= note: calls in constants are limited to constant functions, tuple structs and tuple variants
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help: add `#![feature(effects)]` to the crate attributes to enable
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LL + #![feature(effects)]
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error[E0015]: cannot call non-const fn `<u16 as A>::a` in constants
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--> $DIR/const_trait_impl.rs:54:23
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LL | const _: () = assert!(<u16>::a() == 2);
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| ^^^^^^^^^^
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= note: calls in constants are limited to constant functions, tuple structs and tuple variants
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help: add `#![feature(effects)]` to the crate attributes to enable
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LL + #![feature(effects)]
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error: aborting due to 6 previous errors
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For more information about this error, try `rustc --explain E0015`.
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