Enum FailureOption 

pub enum FailureOption {
    Zero,
    One,
    D,
    S,
}

Failure reporting option (fo= tag).

Variants

Zero

Generate report if all mechanisms fail.

One

Generate report if any mechanism fails.

D

Generate report if DKIM fails.

S

Generate report if SPF fails.

Implementations

impl FailureOption

pub fn parse(s: &str) -> Option<Self>

Parse a single failure option character (case-insensitive).

Trait Implementations

impl Clone for FailureOption

fn clone(&self) -> FailureOption

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FailureOption

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

Formats the value using the given formatter.

impl PartialEq for FailureOption

fn eq(&self, other: &FailureOption) -> 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 Copy for FailureOption

impl Eq for FailureOption

impl StructuralPartialEq for FailureOption