Enum RecommendError 

pub enum RecommendError {
    UserNotFound(Uuid),
    ContentNotFound(Uuid),
    InsufficientData(String),
    InvalidRating(f32),
    InvalidSimilarity(f32),
    MatrixError(String),
    ProfileError(String),
    HistoryError(String),
    TrendingError(String),
    PersonalizationError(String),
    DiversityError(String),
    RankingError(String),
    ExplanationError(String),
    IoError(Error),
    SerializationError(Error),
    RateLimited(String),
    Other(String),
}

Errors that can occur during recommendation operations

Variants

UserNotFound(Uuid)

User not found

ContentNotFound(Uuid)

Content not found

InsufficientData(String)

Insufficient data for recommendation

InvalidRating(f32)

Invalid rating value

InvalidSimilarity(f32)

Invalid similarity score

MatrixError(String)

Matrix computation error

ProfileError(String)

Profile error

HistoryError(String)

History tracking error

TrendingError(String)

Trending detection error

PersonalizationError(String)

Personalization error

DiversityError(String)

Diversity enforcement error

RankingError(String)

Ranking error

ExplanationError(String)

Explanation generation error

IoError(Error)

IO error

SerializationError(Error)

Serialization error

RateLimited(String)

Request was rate-limited

Other(String)

Generic error

Implementations

impl RecommendError

pub fn insufficient_data(msg: impl Into<String>) -> Self

Create an insufficient data error

pub fn matrix_error(msg: impl Into<String>) -> Self

Create a matrix error

pub fn profile_error(msg: impl Into<String>) -> Self

Create a profile error

pub fn history_error(msg: impl Into<String>) -> Self

Create a history error

pub fn trending_error(msg: impl Into<String>) -> Self

Create a trending error

pub fn personalization_error(msg: impl Into<String>) -> Self

Create a personalization error

pub fn diversity_error(msg: impl Into<String>) -> Self

Create a diversity error

pub fn ranking_error(msg: impl Into<String>) -> Self

Create a ranking error

pub fn explanation_error(msg: impl Into<String>) -> Self

Create an explanation error

Trait Implementations

impl Debug for RecommendError

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

Formats the value using the given formatter.

impl Display for RecommendError

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

Formats the value using the given formatter.

impl Error for RecommendError

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<Error> for RecommendError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for RecommendError

fn from(source: Error) -> Self

Converts to this type from the input type.