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rust/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr
Nicholas Nethercote 5d9dfbd08f Stop using String for error codes. 
Error codes are integers, but `String` is used everywhere to represent
them. Gross!

This commit introduces `ErrCode`, an integral newtype for error codes,
replacing `String`. It also introduces a constant for every error code,
e.g. `E0123`, and removes the `error_code!` macro. The constants are
imported wherever used with `use rustc_errors::codes::*`.

With the old code, we have three different ways to specify an error code
at a use point:
```
error_code!(E0123)  // macro call

struct_span_code_err!(dcx, span, E0123, "msg");  // bare ident arg to macro call

\#[diag(name, code = "E0123")]  // string
struct Diag;
```

With the new code, they all use the `E0123` constant.
```
E0123  // constant

struct_span_code_err!(dcx, span, E0123, "msg");  // constant

\#[diag(name, code = E0123)]  // constant
struct Diag;
```

The commit also changes the structure of the error code definitions:
- `rustc_error_codes` now just defines a higher-order macro listing the
  used error codes and nothing else.
- Because that's now the only thing in the `rustc_error_codes` crate, I
  moved it into the `lib.rs` file and removed the `error_codes.rs` file.
- `rustc_errors` uses that macro to define everything, e.g. the error
  code constants and the `DIAGNOSTIC_TABLES`. This is in its new
  `codes.rs` file.
2024-01-29 07:41:41 +11:00

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error: unsupported type attribute for diagnostic derive enum
--> $DIR/diagnostic-derive.rs:47:1
|
LL | #[diag(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:50:5
|
LL | Foo,
| ^^^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:52:5
|
LL | Bar,
| ^^^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: `#[nonsense(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:63:1
|
LL | #[nonsense(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:63:1
|
LL | / #[nonsense(no_crate_example, code = E0123)]
LL | |
LL | |
LL | |
LL | | struct InvalidStructAttr {}
| |___________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:70:1
|
LL | / #[diag(code = E0123)]
LL | |
LL | | struct InvalidLitNestedAttr {}
| |______________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: diagnostic slug must be the first argument
--> $DIR/diagnostic-derive.rs:80:16
|
LL | #[diag(nonsense("foo"), code = E0123, slug = "foo")]
| ^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:80:1
|
LL | / #[diag(nonsense("foo"), code = E0123, slug = "foo")]
LL | |
LL | |
LL | | struct InvalidNestedStructAttr1 {}
| |__________________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: unknown argument
--> $DIR/diagnostic-derive.rs:86:8
|
LL | #[diag(nonsense = "...", code = E0123, slug = "foo")]
| ^^^^^^^^
|
= note: only the `code` parameter is valid after the slug
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:86:1
|
LL | / #[diag(nonsense = "...", code = E0123, slug = "foo")]
LL | |
LL | |
LL | | struct InvalidNestedStructAttr2 {}
| |__________________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: unknown argument
--> $DIR/diagnostic-derive.rs:92:8
|
LL | #[diag(nonsense = 4, code = E0123, slug = "foo")]
| ^^^^^^^^
|
= note: only the `code` parameter is valid after the slug
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:92:1
|
LL | / #[diag(nonsense = 4, code = E0123, slug = "foo")]
LL | |
LL | |
LL | | struct InvalidNestedStructAttr3 {}
| |__________________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: unknown argument
--> $DIR/diagnostic-derive.rs:98:40
|
LL | #[diag(no_crate_example, code = E0123, slug = "foo")]
| ^^^^
|
= note: only the `code` parameter is valid after the slug
error: `#[suggestion = ...]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:105:5
|
LL | #[suggestion = "bar"]
| ^^^^^^^^^^^^^^^^^^^^^
error: specified multiple times
--> $DIR/diagnostic-derive.rs:112:8
|
LL | #[diag(no_crate_example, code = E0456)]
| ^^^^^^^^^^^^^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:111:8
|
LL | #[diag(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^
error: specified multiple times
--> $DIR/diagnostic-derive.rs:112:26
|
LL | #[diag(no_crate_example, code = E0456)]
| ^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:111:26
|
LL | #[diag(no_crate_example, code = E0123)]
| ^^^^
error: specified multiple times
--> $DIR/diagnostic-derive.rs:118:40
|
LL | #[diag(no_crate_example, code = E0123, code = E0456)]
| ^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:118:26
|
LL | #[diag(no_crate_example, code = E0123, code = E0456)]
| ^^^^
error: diagnostic slug must be the first argument
--> $DIR/diagnostic-derive.rs:123:43
|
LL | #[diag(no_crate_example, no_crate::example, code = E0123)]
| ^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:128:1
|
LL | struct KindNotProvided {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:131:1
|
LL | / #[diag(code = E0123)]
LL | |
LL | | struct SlugNotProvided {}
| |_________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: the `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan`
--> $DIR/diagnostic-derive.rs:142:5
|
LL | #[primary_span]
| ^^^^^^^^^^^^^^^
error: `#[nonsense]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:150:5
|
LL | #[nonsense]
| ^^^^^^^^^^^
error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan`
--> $DIR/diagnostic-derive.rs:167:5
|
LL | #[label(no_crate_label)]
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: `name` doesn't refer to a field on this type
--> $DIR/diagnostic-derive.rs:175:46
|
LL | #[suggestion(no_crate_suggestion, code = "{name}")]
| ^^^^^^^^
error: invalid format string: expected `'}'` but string was terminated
--> $DIR/diagnostic-derive.rs:180:10
|
LL | #[derive(Diagnostic)]
| ^^^^^^^^^^ expected `'}'` in format string
|
= note: if you intended to print `{`, you can escape it using `{{`
= note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
error: invalid format string: unmatched `}` found
--> $DIR/diagnostic-derive.rs:190:10
|
LL | #[derive(Diagnostic)]
| ^^^^^^^^^^ unmatched `}` in format string
|
= note: if you intended to print `}`, you can escape it using `}}`
= note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan`
--> $DIR/diagnostic-derive.rs:210:5
|
LL | #[label(no_crate_label)]
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: suggestion without `code = "..."`
--> $DIR/diagnostic-derive.rs:229:5
|
LL | #[suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: invalid nested attribute
--> $DIR/diagnostic-derive.rs:237:18
|
LL | #[suggestion(nonsense = "bar")]
| ^^^^^^^^
|
= help: only `no_span`, `style`, `code` and `applicability` are valid nested attributes
error: suggestion without `code = "..."`
--> $DIR/diagnostic-derive.rs:237:5
|
LL | #[suggestion(nonsense = "bar")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: invalid nested attribute
--> $DIR/diagnostic-derive.rs:246:18
|
LL | #[suggestion(msg = "bar")]
| ^^^
|
= help: only `no_span`, `style`, `code` and `applicability` are valid nested attributes
error: suggestion without `code = "..."`
--> $DIR/diagnostic-derive.rs:246:5
|
LL | #[suggestion(msg = "bar")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: wrong field type for suggestion
--> $DIR/diagnostic-derive.rs:269:5
|
LL | / #[suggestion(no_crate_suggestion, code = "This is suggested code")]
LL | |
LL | | suggestion: Applicability,
| |_____________________________^
|
= help: `#[suggestion(...)]` should be applied to fields of type `Span` or `(Span, Applicability)`
error: specified multiple times
--> $DIR/diagnostic-derive.rs:285:24
|
LL | suggestion: (Span, Span, Applicability),
| ^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:285:18
|
LL | suggestion: (Span, Span, Applicability),
| ^^^^
error: specified multiple times
--> $DIR/diagnostic-derive.rs:293:33
|
LL | suggestion: (Applicability, Applicability, Span),
| ^^^^^^^^^^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:293:18
|
LL | suggestion: (Applicability, Applicability, Span),
| ^^^^^^^^^^^^^
error: `#[label = ...]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:300:5
|
LL | #[label = "bar"]
| ^^^^^^^^^^^^^^^^
error: specified multiple times
--> $DIR/diagnostic-derive.rs:451:5
|
LL | #[suggestion(no_crate_suggestion, code = "...", applicability = "maybe-incorrect")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:453:24
|
LL | suggestion: (Span, Applicability),
| ^^^^^^^^^^^^^
error: invalid applicability
--> $DIR/diagnostic-derive.rs:459:69
|
LL | #[suggestion(no_crate_suggestion, code = "...", applicability = "batman")]
| ^^^^^^^^
error: the `#[help(...)]` attribute can only be applied to fields of type `Span`, `MultiSpan`, `bool` or `()`
--> $DIR/diagnostic-derive.rs:526:5
|
LL | #[help(no_crate_help)]
| ^^^^^^^^^^^^^^^^^^^^^^
error: a diagnostic slug must be the first argument to the attribute
--> $DIR/diagnostic-derive.rs:535:32
|
LL | #[label(no_crate_label, foo)]
| ^
error: only `no_span` is a valid nested attribute
--> $DIR/diagnostic-derive.rs:543:29
|
LL | #[label(no_crate_label, foo = "...")]
| ^^^
error: only `no_span` is a valid nested attribute
--> $DIR/diagnostic-derive.rs:551:29
|
LL | #[label(no_crate_label, foo("..."))]
| ^^^
error: `#[primary_span]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:563:5
|
LL | #[primary_span]
| ^^^^^^^^^^^^^^^
|
= help: the `primary_span` field attribute is not valid for lint diagnostics
error: `#[error(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:583:1
|
LL | #[error(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:583:1
|
LL | / #[error(no_crate_example, code = E0123)]
LL | |
LL | |
LL | |
LL | | struct ErrorAttribute {}
| |________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: `#[warn_(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:590:1
|
LL | #[warn_(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:590:1
|
LL | / #[warn_(no_crate_example, code = E0123)]
LL | |
LL | |
LL | |
LL | | struct WarnAttribute {}
| |_______________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: `#[lint(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:597:1
|
LL | #[lint(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:597:1
|
LL | / #[lint(no_crate_example, code = E0123)]
LL | |
LL | |
LL | |
LL | | struct LintAttributeOnSessionDiag {}
| |____________________________________^
|
= help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]`
error: `#[lint(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:604:1
|
LL | #[lint(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `#[lint(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:604:1
|
LL | #[lint(no_crate_example, code = E0123)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: diagnostic slug not specified
--> $DIR/diagnostic-derive.rs:604:1
|
LL | / #[lint(no_crate_example, code = E0123)]
LL | |
LL | |
LL | |
LL | |
LL | | struct LintAttributeOnLintDiag {}
| |_________________________________^
|
= help: specify the slug as the first argument to the attribute, such as `#[diag(compiletest_example)]`
error: specified multiple times
--> $DIR/diagnostic-derive.rs:614:53
|
LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")]
| ^^^^
|
note: previously specified here
--> $DIR/diagnostic-derive.rs:614:39
|
LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")]
| ^^^^
error: wrong types for suggestion
--> $DIR/diagnostic-derive.rs:623:24
|
LL | suggestion: (Span, usize),
| ^^^^^
|
= help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)`
error: wrong types for suggestion
--> $DIR/diagnostic-derive.rs:631:17
|
LL | suggestion: (Span,),
| ^^^^^^^
|
= help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)`
error: suggestion without `code = "..."`
--> $DIR/diagnostic-derive.rs:638:5
|
LL | #[suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: `#[multipart_suggestion(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:645:1
|
LL | #[multipart_suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider creating a `Subdiagnostic` instead
error: `#[multipart_suggestion(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:648:1
|
LL | #[multipart_suggestion()]
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider creating a `Subdiagnostic` instead
error: `#[multipart_suggestion(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:652:5
|
LL | #[multipart_suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider creating a `Subdiagnostic` instead
error: `#[suggestion(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:660:1
|
LL | #[suggestion(no_crate_suggestion, code = "...")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `#[label]` and `#[suggestion]` can only be applied to fields
error: `#[label]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:669:1
|
LL | #[label]
| ^^^^^^^^
|
= help: `#[label]` and `#[suggestion]` can only be applied to fields
error: `eager` is the only supported nested attribute for `subdiagnostic`
--> $DIR/diagnostic-derive.rs:703:7
|
LL | #[subdiagnostic(bad)]
| ^^^^^^^^^^^^^^^^^^
error: `#[subdiagnostic = ...]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:711:5
|
LL | #[subdiagnostic = "bad"]
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: `eager` is the only supported nested attribute for `subdiagnostic`
--> $DIR/diagnostic-derive.rs:719:7
|
LL | #[subdiagnostic(bad, bad)]
| ^^^^^^^^^^^^^^^^^^^^^^^
error: `eager` is the only supported nested attribute for `subdiagnostic`
--> $DIR/diagnostic-derive.rs:727:7
|
LL | #[subdiagnostic("bad")]
| ^^^^^^^^^^^^^^^^^^^^
error: `#[subdiagnostic(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:735:5
|
LL | #[subdiagnostic(eager)]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: eager subdiagnostics are not supported on lints
error: expected at least one string literal for `code(...)`
--> $DIR/diagnostic-derive.rs:793:23
|
LL | #[suggestion(code())]
| ^
error: `code(...)` must contain only string literals
--> $DIR/diagnostic-derive.rs:801:23
|
LL | #[suggestion(code(foo))]
| ^^^
error: `#[suggestion(...)]` is not a valid attribute
--> $DIR/diagnostic-derive.rs:825:5
|
LL | #[suggestion(no_crate_suggestion, code = "")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[suggestion(...)]` applied to `Vec` field is ambiguous
= help: to show a suggestion consisting of multiple parts, use a `Subdiagnostic` annotated with `#[multipart_suggestion(...)]`
= help: to show a variable set of suggestions, use a `Vec` of `Subdiagnostic`s annotated with `#[suggestion(...)]`
error[E0433]: failed to resolve: maybe a missing crate `core`?
--> $DIR/diagnostic-derive.rs:58:8
|
LL | #[diag = "E0123"]
| ^ maybe a missing crate `core`?
error[E0433]: failed to resolve: maybe a missing crate `core`?
--> $DIR/diagnostic-derive.rs:801:23
|
LL | #[suggestion(code(foo))]
| ^^^ maybe a missing crate `core`?
error[E0433]: failed to resolve: maybe a missing crate `core`?
--> $DIR/diagnostic-derive.rs:810:25
|
LL | #[suggestion(code = 3)]
| ^ maybe a missing crate `core`?
error: cannot find attribute `nonsense` in this scope
--> $DIR/diagnostic-derive.rs:63:3
|
LL | #[nonsense(no_crate_example, code = E0123)]
| ^^^^^^^^
error: cannot find attribute `nonsense` in this scope
--> $DIR/diagnostic-derive.rs:150:7
|
LL | #[nonsense]
| ^^^^^^^^
error: cannot find attribute `error` in this scope
--> $DIR/diagnostic-derive.rs:583:3
|
LL | #[error(no_crate_example, code = E0123)]
| ^^^^^
error: cannot find attribute `warn_` in this scope
--> $DIR/diagnostic-derive.rs:590:3
|
LL | #[warn_(no_crate_example, code = E0123)]
| ^^^^^ help: a built-in attribute with a similar name exists: `warn`
error: cannot find attribute `lint` in this scope
--> $DIR/diagnostic-derive.rs:597:3
|
LL | #[lint(no_crate_example, code = E0123)]
| ^^^^ help: a built-in attribute with a similar name exists: `link`
error: cannot find attribute `lint` in this scope
--> $DIR/diagnostic-derive.rs:604:3
|
LL | #[lint(no_crate_example, code = E0123)]
| ^^^^ help: a built-in attribute with a similar name exists: `link`
error: cannot find attribute `multipart_suggestion` in this scope
--> $DIR/diagnostic-derive.rs:645:3
|
LL | #[multipart_suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^
error: cannot find attribute `multipart_suggestion` in this scope
--> $DIR/diagnostic-derive.rs:648:3
|
LL | #[multipart_suggestion()]
| ^^^^^^^^^^^^^^^^^^^^
error: cannot find attribute `multipart_suggestion` in this scope
--> $DIR/diagnostic-derive.rs:652:7
|
LL | #[multipart_suggestion(no_crate_suggestion)]
| ^^^^^^^^^^^^^^^^^^^^
error[E0425]: cannot find value `nonsense` in module `crate::fluent_generated`
--> $DIR/diagnostic-derive.rs:75:8
|
LL | #[diag(nonsense, code = E0123)]
| ^^^^^^^^ not found in `crate::fluent_generated`
error[E0425]: cannot find value `__code_34` in this scope
--> $DIR/diagnostic-derive.rs:807:10
|
LL | #[derive(Diagnostic)]
| ^^^^^^^^^^ not found in this scope
|
= note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `Hello: IntoDiagnosticArg` is not satisfied
--> $DIR/diagnostic-derive.rs:349:12
|
LL | #[derive(Diagnostic)]
| ---------- required by a bound introduced by this call
...
LL | other: Hello,
| ^^^^^ the trait `IntoDiagnosticArg` is not implemented for `Hello`
|
= help: normalized in stderr
note: required by a bound in `DiagnosticBuilder::<'a, G>::arg`
--> $COMPILER_DIR/rustc_errors/src/diagnostic_builder.rs:LL:CC
= note: this error originates in the macro `forward` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 84 previous errors
Some errors have detailed explanations: E0277, E0425, E0433.
For more information about an error, try `rustc --explain E0277`.
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