Enum VersionFileError 

#[non_exhaustive]
pub enum VersionFileError {
    FileNotFound(PathBuf),
    NoVersionField,
    WriteFailed(Error),
    ReadFailed(Error),
    InvalidRegex(String),
}

Errors that can occur when reading or writing version files.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

FileNotFound(PathBuf)

The expected file was not found on disk.

NoVersionField

The file does not contain a version field this engine can handle.

WriteFailed(Error)

Writing the updated content back to disk failed.

ReadFailed(Error)

Reading the file from disk failed.

InvalidRegex(String)

A user-supplied regex pattern is invalid or has no capture groups.

Trait Implementations

impl Debug for VersionFileError

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

Formats the value using the given formatter.

impl Display for VersionFileError

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

Formats the value using the given formatter.

impl Error for VersionFileError

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.