NativeLayout

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

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.abi

import std.abi;

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

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.

pub Alignment: usize?;

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

Documentation snapshot: October 24, 2026 About versions ↗