Struct CustomError 

pub struct CustomError(pub String);

An auth failure that doesn’t correspond to a specific AuthError variant.

The catch-all for an error outside the standard set — a custom AuthStrategy surfacing its own failure, or an FFI adaptor reconstructing a failure whose type code it can’t rebuild into a typed variant (a variant that wraps a foreign error, or an unrecognised code). Mirrors serde’s Error::custom: it carries the already-rendered message verbatim (its Display is that message, with no added prefix), so a reconstructed error reads exactly as it did on the far side of the boundary. It serializes as { type: "CUSTOM", ... }, so consumers switching on the failure code must handle it.

Tuple Fields

0: String

Trait Implementations

impl AuthErrorKind for CustomError

fn error_code(&self) -> &'static str

Stable machine-readable identifier surfaced across FFI boundaries (e.g. JS Error.code). Named error_code to avoid colliding with miette::Diagnostic::code, inherited via the Diagnostic supertrait.

fn payload(&self) -> Map<String, Value>

Extra structured fields for the FFI/TS failure payload, beyond the type/message/help/url the enum emits generically. None by default.

impl Debug for CustomError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Diagnostic for CustomError

fn code<'a>(&'a self) -> Option<Box<dyn Display + 'a>>

Unique diagnostic code that can be used to look up more information about this Diagnostic. Ideally also globally unique, and documented in the toplevel crate’s documentation for easy searching. Rust path format (foo::bar::baz) is recommended, but more classic codes like E0123 or enums will work just fine.

fn severity(&self) -> Option<Severity>

Diagnostic severity. This may be used by ReportHandlers to change the display format of this diagnostic.

fn help<'a>(&'a self) -> Option<Box<dyn Display + 'a>>

Additional help text related to this Diagnostic. Do you have any advice for the poor soul who’s just run into this issue?

fn url<'a>(&'a self) -> Option<Box<dyn Display + 'a>>

URL to visit for a more detailed explanation/help about this Diagnostic.

fn source_code(&self) -> Option<&dyn SourceCode>

Source code to apply this Diagnostic’s Diagnostic::labels to.

fn labels(&self) -> Option<Box<dyn Iterator<Item = LabeledSpan> + '_>>

Labels to apply to this Diagnostic’s Diagnostic::source_code

fn related<'a>( &'a self, ) -> Option<Box<dyn Iterator<Item = &'a dyn Diagnostic> + 'a>>

Additional related Diagnostics.

fn diagnostic_source(&self) -> Option<&dyn Diagnostic>

The cause of the error.

impl Display for CustomError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for CustomError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<CustomError> for AuthError

fn from(source: CustomError) -> Self

Converts to this type from the input type.