Struct SubjectEmpty

pub struct SubjectEmpty { /* private fields */ }

SubjectEmpty represents the subject-empty rule.

Trait Implementations

impl Clone for SubjectEmpty

fn clone(&self) -> SubjectEmpty

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SubjectEmpty

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

Formats the value using the given formatter.

impl Default for SubjectEmpty

Default implementation of SubjectEmpty.

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SubjectEmpty

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Rule for SubjectEmpty

SubjectEmpty represents the subject-empty rule.

const NAME: &'static str = "subject-empty"

The name of the rule. Note that it should be unique

const LEVEL: Level = Level::Error

The level of the rule.

fn message(&self, _message: &Message) -> String

The message to display when the rule fails.

fn validate(&self, message: &Message) -> Option<Violation>

Validate the given text.

impl Serialize for SubjectEmpty

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.