Development · Evolving reference
NoDiscard
Requires callers to consume a value of a type or a callable result.
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.diagnostics
import std.diagnostics;Public declaration contracts and authored examples. A page can document several related symbols. Implementation bodies are excluded.
NoDiscard
pub attribute NoDiscardRequires callers to consume a value of a type or a callable result.
NoDiscard.Message
pub Message: str?;Stores optional human-readable reason for consuming the value.
Documentation snapshot: October 24, 2026 About versions ↗