Enum DeadLetterReason 

pub enum DeadLetterReason {
    NoRecipient,
    Dropped,
    Suppressed,
}

Why a message ended up at the dead-letter sink. Event/AllDeadLetters.cs, Event/DroppedMessage.cs, Event/SuppressedDeadLetter.cs.

Variants

NoRecipient

Default — no recipient (terminated, unknown, or never existed).

Dropped

Message was dropped due to mailbox overflow.

Suppressed

Suppressed by upstream policy (e.g. system messages after stop) — used to keep the dead-letter log readable.

Trait Implementations

impl Clone for DeadLetterReason

fn clone(&self) -> DeadLetterReason

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DeadLetterReason

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

Formats the value using the given formatter.

impl Default for DeadLetterReason

fn default() -> DeadLetterReason

Returns the “default value” for a type.

impl PartialEq for DeadLetterReason

fn eq(&self, other: &DeadLetterReason) -> 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 DeadLetterReason

impl Eq for DeadLetterReason

impl StructuralPartialEq for DeadLetterReason