Enum OverflowPolicy 

#[non_exhaustive]
pub enum OverflowPolicy {
    Block,
    Reject,
    DropOldest,
}

Overflow behavior applied when the submission queue is full.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Block

Wait until queue capacity becomes available.

Reject

Reject the new submission immediately.

DropOldest

Drop the oldest queued task and enqueue the new submission.

Trait Implementations

impl Clone for OverflowPolicy

fn clone(&self) -> OverflowPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for OverflowPolicy

impl Debug for OverflowPolicy

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

Formats the value using the given formatter.

impl Default for OverflowPolicy

fn default() -> OverflowPolicy

Returns the “default value” for a type.

impl Eq for OverflowPolicy

impl PartialEq for OverflowPolicy

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for OverflowPolicy