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AttributeRetention

Selects whether a frozen typed attribute remains runtime-reflectable.

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.meta

import std.meta;

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

AttributeRetention

pub enum AttributeRetention

Selects whether a frozen typed attribute remains runtime-reflectable.

Construction and compiler/tooling effects always occur during compilation. Runtime retention controls only emission of the immutable reflection record.

AttributeRetention.Runtime

Runtime;

Retains the frozen application when reflection is enabled.

AttributeRetention.CompileTimeOnly

CompileTimeOnly;

Omits the runtime record while preserving compile-time semantic metadata.

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