c5598d6a9e
avoid `{type error}` being leaked in user-facing messages,
particularly when using the `adt_const_params` feature
58 lines
2.3 KiB
Plaintext
58 lines
2.3 KiB
Plaintext
error[E0106]: missing lifetime specifier
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--> $DIR/unusual-rib-combinations.rs:21:15
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LL | fn d<const C: S>() {}
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| ^ expected named lifetime parameter
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error[E0770]: the type of const parameters must not depend on other generic parameters
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--> $DIR/unusual-rib-combinations.rs:25:22
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LL | struct Bar<const N: &'a (dyn for<'a> Foo<'a>)>;
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| ^^ the type must not depend on the parameter `'a`
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= note: lifetime parameters may not be used in the type of const parameters
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error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
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--> $DIR/unusual-rib-combinations.rs:11:15
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LL | fn b<const C: u8()>() {}
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| ^^^^ only `Fn` traits may use parentheses
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error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
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--> $DIR/unusual-rib-combinations.rs:15:10
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LL | fn c<T = u8()>() {}
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| ^^^^ only `Fn` traits may use parentheses
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error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
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--> $DIR/unusual-rib-combinations.rs:15:6
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LL | fn c<T = u8()>() {}
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| ^^^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
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= note: `#[deny(invalid_type_param_default)]` on by default
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error[E0308]: mismatched types
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--> $DIR/unusual-rib-combinations.rs:5:16
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LL | fn a() -> [u8; foo()] {
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| ^^^^^ expected `usize`, found `()`
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0106, E0214, E0308, E0770.
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For more information about an error, try `rustc --explain E0106`.
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Future incompatibility report: Future breakage diagnostic:
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error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
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--> $DIR/unusual-rib-combinations.rs:15:6
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LL | fn c<T = u8()>() {}
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| ^^^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
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= note: `#[deny(invalid_type_param_default)]` on by default
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