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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.
67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
error[E0635]: unknown feature `const_convert`
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--> $DIR/try-operator.rs:6:12
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LL | #![feature(const_convert)]
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| ^^^^^^^^^^^^^
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error[E0015]: `?` cannot determine the branch of `Result<(), ()>` in constant functions
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--> $DIR/try-operator.rs:10:9
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LL | Err(())?;
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| ^^^^^^^^
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note: impl defined here, but it is not `const`
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--> $SRC_DIR/core/src/result.rs:LL:COL
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= note: calls in constant functions 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 convert from residual of `Result<bool, ()>` in constant functions
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--> $DIR/try-operator.rs:10:9
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LL | Err(())?;
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| ^^^^^^^^
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note: impl defined here, but it is not `const`
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--> $SRC_DIR/core/src/result.rs:LL:COL
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= note: calls in constant functions 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 determine the branch of `Option<()>` in constant functions
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--> $DIR/try-operator.rs:18:9
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LL | None?;
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| ^^^^^
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note: impl defined here, but it is not `const`
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--> $SRC_DIR/core/src/option.rs:LL:COL
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= note: calls in constant functions 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 convert from residual of `Option<()>` in constant functions
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--> $DIR/try-operator.rs:18:9
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LL | None?;
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| ^^^^^
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note: impl defined here, but it is not `const`
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--> $SRC_DIR/core/src/option.rs:LL:COL
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= note: calls in constant functions 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 5 previous errors
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Some errors have detailed explanations: E0015, E0635.
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For more information about an error, try `rustc --explain E0015`.
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