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AsyncMutexError
Portable AsyncMutex allocation/acquisition errors with no native storage escape.
Sn is under heavy development. Reference extracted from this release’s bundled standard library. Public API examples are not an exhaustive compatibility test. Read the matching release guide for tested workflows and limitations. Read the status →
Module std.sync
import std.sync;Public declaration contracts and authored examples. A page can document several related symbols. Implementation bodies are excluded.
AsyncMutexError
pub enum AsyncMutexErrorPortable AsyncMutex allocation/acquisition errors with no native storage escape.
AsyncMutexError.Permit
Permit;Underlying permit creation/wait failed, preserving exact reason.
AsyncMutexError.Permit.Reason
Reason: SemaphoreError;AsyncMutexError.Storage
Storage;Retained payload allocation failed.
AsyncMutexError.Storage.Reason
Reason: AllocationError;AsyncMutexError.EmptyOwner
EmptyOwner;Default/moved owner has no state.
Documentation snapshot: October 24, 2026 About versions ↗