YieldError

Classifies cooperative yield cancellation and checked executor resolution failure.

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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 YieldError

Classifies cooperative yield cancellation and checked executor resolution failure.

YieldError.Cancelled

Cancelled;

Cooperative token/root cancellation was observed before native publication.

InvalidConfiguration;

Selected native executor configuration cannot be represented.

AllocationFailed;

Lazy executor storage cannot be allocated.

StartupFailed;

Native executor worker startup failed transactionally.

Closed;

Selected executor no longer accepts this operation.

QueueFull;

Selected native admission capacity is full.

RetentionUnavailable;

A checked continuation retention cannot be reserved.

Documentation snapshot: October 24, 2026 About versions ↗