Enum PubMedError 

pub enum PubMedError {
    RequestError(Error),
    JsonError(Error),
    XmlError(String),
    ArticleNotFound {
        pmid: String,
    },
    PmcNotAvailable {
        id: String,
    },
    InvalidPmid {
        pmid: String,
    },
    InvalidPmcid {
        pmcid: String,
    },
    InvalidQuery(String),
    RateLimitExceeded,
    ApiError {
        status: u16,
        message: String,
    },
    IoError {
        message: String,
    },
    SearchLimitExceeded {
        requested: usize,
        maximum: usize,
    },
    HistorySessionError(String),
    WebEnvNotAvailable,
}

Error types for PubMed client operations

Variants

RequestError(Error)

HTTP request failed

JsonError(Error)

JSON parsing failed

XmlError(String)

XML parsing failed

ArticleNotFound

Article not found

Fields

pmid: String

PmcNotAvailable

PMC full text not available

Fields

id: String

InvalidPmid

Invalid PMID format

Fields

pmid: String

InvalidPmcid

Invalid PMC ID format

Fields

pmcid: String

InvalidQuery(String)

Invalid query structure or parameters

RateLimitExceeded

API rate limit exceeded

ApiError

Generic API error with HTTP status code

Fields

status: u16

message: String

IoError

IO error for file operations

Fields

message: String

SearchLimitExceeded

Search limit exceeded This error is returned when a search query requests more results than the maximum retrievable limit.

Fields

requested: usize

maximum: usize

HistorySessionError(String)

History session expired or invalid This error is returned when the WebEnv session is no longer valid (typically after 1 hour).

WebEnvNotAvailable

WebEnv not available in search result This error is returned when attempting to use history server features but the search did not return WebEnv/query_key (e.g., usehistory=y was not specified).

Trait Implementations

impl Debug for PubMedError

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

Formats the value using the given formatter.

impl Display for PubMedError

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

Formats the value using the given formatter.

impl Error for PubMedError

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 PubMedError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for PubMedError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl RetryableError for PubMedError

fn is_retryable(&self) -> bool

Returns true if the error is transient and the operation should be retried

fn retry_reason(&self) -> &str

Returns a human-readable description of why the error is/isn’t retryable