Trait ToSlot 

pub trait ToSlot {
    const NATIVE_KIND: NativeKind;

    // Required method
    fn to_slot(self) -> u64;
}

Write a typed value into an 8-byte raw-bits slot.

Symmetric to FromSlot. Used by per-arity registration helpers when the body returns a primitive-typed value directly. Container TypedReturn variants (Ok/Err/Some/ObjectPairs/etc.) don’t impl ToSlot — they’re projected by the dispatcher’s TypedReturn → slot push step (Phase 2c per-module migrations).

Required Associated Constants

const NATIVE_KIND: NativeKind

Required Methods

fn to_slot(self) -> u64

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl ToSlot for bool

const NATIVE_KIND: NativeKind = NativeKind::Bool

fn to_slot(self) -> u64

impl ToSlot for f64

const NATIVE_KIND: NativeKind = NativeKind::Float64

fn to_slot(self) -> u64

impl ToSlot for i64

const NATIVE_KIND: NativeKind = NativeKind::Int64

fn to_slot(self) -> u64

impl ToSlot for Arc<String>

const NATIVE_KIND: NativeKind = NativeKind::String

fn to_slot(self) -> u64

impl ToSlot for Arc<Vec<f64>>

Project an Arc<Vec<f64>> into a NativeKind::Ptr(HeapKind::TypedArray) slot whose payload is *mut TypedArray<f64>. V3-S5 ckpt-5-prime²c Migration shape (a) — replaces the pre-migration ToSlot for Arc<AlignedTypedBuffer> entry.

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Arc<Vec<i64>>

Project an Arc<Vec<i64>> into a NativeKind::Ptr(HeapKind::TypedArray) slot whose payload is *mut TypedArray<i64>. V3-S5 ckpt-5-prime²c Migration shape (a).

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Arc<Vec<u8>>

Project an Arc<Vec<u8>> into a NativeKind::Ptr(HeapKind::TypedArray) slot whose payload is *mut TypedArray<u8>. V3-S5 ckpt-5-prime²c Migration shape (a).

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Arc<DataTable>

Write an Arc<DataTable> into a heap slot by wrapping in HeapValue::DataTable and producing the raw Arc<HeapValue> pointer.

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Arc<IoHandleData>

Write an Arc<IoHandleData> into a heap slot by wrapping in HeapValue::IoHandle and producing the raw Arc<HeapValue> pointer.

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Vec<Arc<HeapValue>>

Project a Vec<Arc<HeapValue>> into a NativeKind::Ptr(HeapKind::TypedArray) slot.

V3-S5 ckpt-5-prime²c (2026-05-15) SURFACE-AND-STOP: same per-element-T dispatcher gap as the FromSlot<Vec<Arc<HeapValue>>> reader above. The pre-deletion build_specialized_from_heap_arcs helper dispatched each HeapValue arm into the matching TypedArrayData::* variant; the new flat-struct carrier needs to pick the matching TypedArray<T>::from_slice instantiation per element kind and stamp the element discriminator before push. Pairs with the Round 2 follow-up cited in the FromSlot impl.

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

impl ToSlot for Vec<Arc<String>>

Project a Vec<Arc<String>> into a NativeKind::Ptr(HeapKind::TypedArray) slot whose payload is *mut TypedArray<*const StringObj>. V3-S5 ckpt-5-prime²c (2026-05-15): rewritten for the v2-raw flat-struct carrier — each input Arc<String> is allocated as a fresh StringObj with refcount=1, and the per-element pointers are packed into a new TypedArray<*const StringObj>. The slot takes ownership of the resulting raw pointer (refcount discipline goes through v2_retain / v2_release per HeapHeader).

const NATIVE_KIND: NativeKind

fn to_slot(self) -> u64

Implementors