Enum DiskCacheError 

pub enum DiskCacheError {
    Io(Error),
    InvalidMagic,
    UnsupportedVersion(u32),
    MetadataParse(String),
    StaleCache,
}

Errors produced by disk-cache operations.

Variants

Io(Error)

Underlying I/O failure.

InvalidMagic

File does not start with OXCA.

UnsupportedVersion(u32)

Cache file was written by a newer/older incompatible version.

MetadataParse(String)

Hand-rolled JSON metadata could not be parsed.

StaleCache

Cache is older than its source file.

Trait Implementations

impl Debug for DiskCacheError

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

Formats the value using the given formatter.

impl Display for DiskCacheError

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

Formats the value using the given formatter.

impl Error for DiskCacheError

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 DiskCacheError

fn from(source: Error) -> Self

Converts to this type from the input type.