Enum ClaimNextOutcome 

pub enum ClaimNextOutcome {
    Empty,
    Claimed {
        revision: Revision,
        request: Box<QueuedRun>,
    },
    Conflict {
        actual: Revision,
    },
}

Outcome of claiming the next queued request without destructively removing it.

Variants

Empty

The queue was empty at the expected revision.

Claimed

The head request was claimed and returned.

Fields

revision: Revision

New queue revision after recording the claim.

request: Box<QueuedRun>

Claimed request. It remains in process memory until ack_started succeeds.

Conflict

Another writer changed the queue first.

Fields

actual: Revision

Current queue revision.

Trait Implementations

impl Clone for ClaimNextOutcome

fn clone(&self) -> ClaimNextOutcome

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ClaimNextOutcome

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ClaimNextOutcome

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ClaimNextOutcome

fn eq(&self, other: &ClaimNextOutcome) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ClaimNextOutcome

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ClaimNextOutcome