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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.
33 lines
1.3 KiB
Plaintext
33 lines
1.3 KiB
Plaintext
error: generic parameters may not be used in const operations
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--> $DIR/array-size-in-generic-struct-param.rs:8:48
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LL | struct ArithArrayLen<const N: usize>([u32; 0 + N]);
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| ^ cannot perform const operation using `N`
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= help: const parameters may only be used as standalone arguments, i.e. `N`
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= help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
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error: generic parameters may not be used in const operations
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--> $DIR/array-size-in-generic-struct-param.rs:23:15
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LL | arr: [u8; CFG.arr_size],
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| ^^^ cannot perform const operation using `CFG`
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= help: const parameters may only be used as standalone arguments, i.e. `CFG`
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= help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
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error: `Config` is forbidden as the type of a const generic parameter
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--> $DIR/array-size-in-generic-struct-param.rs:21:21
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LL | struct B<const CFG: Config> {
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| ^^^^^^
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= note: the only supported types are integers, `bool` and `char`
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help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
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LL + #![feature(adt_const_params)]
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error: aborting due to 3 previous errors
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