c5598d6a9e
avoid `{type error}` being leaked in user-facing messages,
particularly when using the `adt_const_params` feature
65 lines
2.6 KiB
Plaintext
65 lines
2.6 KiB
Plaintext
error[E0425]: cannot find value `y` in this scope
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--> $DIR/mismatched_generic_args.rs:20:9
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LL | pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> {
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| - similarly named const parameter `U` defined here
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LL |
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LL | x + y
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| ^ help: a const parameter with a similar name exists: `U`
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warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/mismatched_generic_args.rs:1:12
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LL | #![feature(generic_const_exprs)]
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| ^^^^^^^^^^^^^^^^^^^
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= note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
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= note: `#[warn(incomplete_features)]` on by default
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error: `Dimension` is forbidden as the type of a const generic parameter
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--> $DIR/mismatched_generic_args.rs:11:33
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LL | pub struct Quantity<S, const D: Dimension>(S);
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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[E0107]: trait takes at most 1 generic argument but 2 generic arguments were supplied
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--> $DIR/mismatched_generic_args.rs:14:36
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LL | impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}
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| ^^^ expected at most 1 generic argument
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error: `Dimension` is forbidden as the type of a const generic parameter
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--> $DIR/mismatched_generic_args.rs:14:15
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LL | impl<const D: Dimension, LHS, RHS> Add<LHS, D> for Quantity<LHS, { Dimension }> {}
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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: `Dimension` is forbidden as the type of a const generic parameter
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--> $DIR/mismatched_generic_args.rs:18:21
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LL | pub fn add<const U: Dimension>(x: Quantity<f32, U>) -> Quantity<f32, U> {
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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 5 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0107, E0425.
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For more information about an error, try `rustc --explain E0107`.
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