Enum Error 

pub enum Error {
    OldVersion(String),
    SchemaMismatch {
        actual: Option<Hash>,
        expected: Option<Hash>,
    },
    SerdeFail(String),
    BadHeader(String),
    FailDecompress(String),
    LengthTooLong {
        max: usize,
        actual: usize,
    },
    LengthTooShort {
        step: &'static str,
        actual: usize,
        expected: usize,
    },
    BadSignature,
    BadEncode(String),
    FailValidate(String),
    CryptoError(CryptoError),
    ParseLimit(String),
}

A fog-pack error. Encompasses any issues that can happen during validation, encoding, or decoding.

Variants

OldVersion(String)

Occurs when a subtype is using a version format that is no longer accepted. This is mainly for recognizing when the Cryptographic types and signatures use old, no longer accepted algorithms.

SchemaMismatch

Occurs when a schema doesn’t match the document’s schema, a Schema was used when one isn’t specified by the document, or a NoSchema was used when a document specified a schema.

Fields

actual: Option<Hash>

The actual schema of the document

expected: Option<Hash>

The expected schema of the document

SerdeFail(String)

Occurs when serde serialization or deserialization fails

BadHeader(String)

Occurs when the header (compression marker and optional schema) failed to parse correctly.

FailDecompress(String)

Occurs when zstd compression fails, possibly due to a dictionary not being present in a schema, a checksum failing, or any of the other zstd failure modes.

LengthTooLong

Document/Entry/Query was greater than maximum allowed size on decode

Fields

max: usize

The maximum allowed size

actual: usize

The object’s actual size

LengthTooShort

Document/Entry/Query ended too early.

Fields

step: &'static str

What step of the decoding we were on when it failed.

actual: usize

The actual length of the object

expected: usize

The remaining length of the object that we were expecting

BadSignature

Signature attached to end of Document/Entry/Query didn’t validate

BadEncode(String)

Basic fog-pack encoding failure

FailValidate(String)

Schema validation failure.

CryptoError(CryptoError)

Failure within the cryptographic submodule.

ParseLimit(String)

Schema or validation hit some parsing limit.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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 Error for Error

fn custom<T: Display>(msg: T) -> Self

Used when a Serialize implementation encounters any error while serializing a type.

impl Error for Error

fn custom<T: Display>(msg: T) -> Self

Raised when there is general error when deserializing a type.

fn invalid_type(unexp: Unexpected<'_>, exp: &dyn Expected) -> Self

Raised when a Deserialize receives a type different from what it was expecting.

fn invalid_value(unexp: Unexpected<'_>, exp: &dyn Expected) -> Self

Raised when a Deserialize receives a value of the right type but that is wrong for some other reason.

fn invalid_length(len: usize, exp: &dyn Expected) -> Self

Raised when deserializing a sequence or map and the input data contains too many or too few elements.

fn unknown_variant(variant: &str, expected: &'static [&'static str]) -> Self

Raised when a Deserialize enum type received a variant with an unrecognized name.

fn unknown_field(field: &str, expected: &'static [&'static str]) -> Self

Raised when a Deserialize struct type received a field with an unrecognized name.

fn missing_field(field: &'static str) -> Self

Raised when a Deserialize struct type expected to receive a required field with a particular name but that field was not present in the input.

fn duplicate_field(field: &'static str) -> Self

Raised when a Deserialize struct type received more than one of the same field.

impl From<CryptoError> for Error

fn from(e: CryptoError) -> Self

Converts to this type from the input type.

impl PartialEq for Error

fn eq(&self, other: &Error) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Error

impl StructuralPartialEq for Error