TaskDispatchError

Classifies bounded CPU/blocking admission and cooperative cancellation.

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Module std.task

import std.task;

Public declaration contracts and authored examples. A page can document several related symbols. Implementation bodies are excluded.

pub enum TaskDispatchError

Classifies bounded CPU/blocking admission and cooperative cancellation.

TaskDispatchError.Cancelled

Cancelled;

Cancellation was observed before callback invocation.

InvalidConfiguration;

Worker-pool configuration is invalid.

AllocationFailed;

Lazy executor storage cannot be allocated.

StartupFailed;

Worker startup failed transactionally.

Closed;

Initial-job admission is closed.

QueueFull;

Bounded pending initial-job capacity is exhausted.

RetentionUnavailable;

Frame retention cannot be acquired for the accepted job.

Documentation snapshot: October 24, 2026 About versions ↗