Enum HeaderValidationError

pub enum HeaderValidationError {
    BuildIn(Context<BuildInValidationError>),
    Custom(Error),
}

A validator specified in a header definition failed.

Common validators are e.g. to make sure that if a From header has multiple mailboxes that there is a Sender header etc.

Variants

BuildIn(Context<BuildInValidationError>)

Custom(Error)

Trait Implementations

impl Debug for HeaderValidationError

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

Formats the value using the given formatter.

impl Display for HeaderValidationError

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

Formats the value using the given formatter.

impl Fail for HeaderValidationError

fn name(&self) -> Option<&str>

Returns the “name” of the error.

fn cause(&self) -> Option<&(dyn Fail + 'static)>

Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors.

fn backtrace(&self) -> Option<&Backtrace>

Returns a reference to the Backtrace carried by this failure, if it carries one.

fn context<D>(self, context: D) -> Context<D>

where D: Display + Send + Sync + 'static, Self: Sized,

Provides context for this failure.

fn compat(self) -> Compat<Self>

where Self: Sized,

Wraps this failure in a compatibility wrapper that implements std::error::Error.

impl From<BuildInValidationError> for HeaderValidationError

fn from(err: BuildInValidationError) -> HeaderValidationError

Converts to this type from the input type.

impl From<Context<BuildInValidationError>> for HeaderValidationError

fn from(err: Context<BuildInValidationError>) -> HeaderValidationError

Converts to this type from the input type.

impl From<HeaderValidationError> for MailError

fn from(err: HeaderValidationError) -> MailError

Converts to this type from the input type.

impl From<OtherValidationError> for HeaderValidationError

fn from(oe: OtherValidationError) -> HeaderValidationError

Converts to this type from the input type.

impl From<OtherValidationError> for HeaderValidationError

fn from(ove: OtherValidationError) -> HeaderValidationError

Converts to this type from the input type.