NativeLayout

Refines packing and alignment of an already profile-qualified native type.

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.abi

import std.abi;

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

NativeLayout

pub attribute NativeLayout

Refines packing and alignment of an already profile-qualified native type.

Pack is an optional maximum field alignment. Alignment may raise but never lower the final aggregate alignment.

NativeLayout.Pack

pub Pack: usize?;

Stores an optional power-of-two maximum field alignment.

NativeLayout.Alignment

pub Alignment: usize?;

Stores an optional power-of-two aggregate alignment raise.

Documentation snapshot: October 24, 2026 About versions ↗