Enum CategoryError 

pub enum CategoryError {
    InvalidName(String),
    AlreadyExists(String),
    NotFound(String),
    Persistence(Error),
    Serialise(Error),
}

Errors from category registry operations.

Variants

InvalidName(String)

The provided name failed validation (empty, too long, illegal characters, leading slash, path traversal, or whitespace-only).

AlreadyExists(String)

A category with that name already exists (returned by CategoryRegistry::create).

NotFound(String)

The requested category does not exist (returned by CategoryRegistry::edit).

Persistence(Error)

I/O failure writing the registry file.

Serialise(Error)

TOML serialise failure.

Trait Implementations

impl Debug for CategoryError

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

Formats the value using the given formatter.

impl Display for CategoryError

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

Formats the value using the given formatter.

impl Error for CategoryError

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<CategoryError> for ExpandSavePathError

fn from(source: CategoryError) -> Self

Converts to this type from the input type.

impl From<Error> for CategoryError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for CategoryError

fn from(source: Error) -> Self

Converts to this type from the input type.