Under heavy development. This site describes the intended 1.0 language. Current features and performance vary. Development status

Snapshot · Oct 24, 2026 · Frozen documentation

AsyncEventError

Portable manual-reset event setup/wait/operation failures. Ready/unsignaled try observation is bool; errors never fabricate or consume signal.

Sn is under heavy development. This reference includes the intended 1.0 design; features may be incomplete in the current compiler. 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.

pub enum AsyncEventError

Portable manual-reset event setup/wait/operation failures. Ready/unsignaled try observation is bool; errors never fabricate or consume signal.

Documentation snapshot: October 24, 2026 About versions ↗