Struct Element 

pub struct Element {
    pub dtype: DType,
    pub subtype: ElementSubtype,
    pub saturating: bool,
}

Per-element semantics that don’t fit into a flat DType enum (plan #40). Mirrors MAX’s layout/element.mojo Element type: DType says “f8”, but two FP8 variants exist (e4m3 and e5m2) with different range/precision tradeoffs. Saturation policy (clamp on overflow vs. wrap) is similarly orthogonal.

Today most ops only care about dtype; downstream quantization kernels read subtype and saturating to pick the right dequant. Building this in early prevents the “every op grew its own ad-hoc fp8 flag” mess MAX hit in v1.

Fields

dtype: DType

subtype: ElementSubtype

Subtype within dtype for FP8 variants etc. Standard for everything else.

saturating: bool

Whether arithmetic saturates on overflow (true for the quantized accumulator paths) or wraps (default).

Implementations

impl Element

pub const fn new(dtype: DType) -> Self

pub const fn fp8_e4m3() -> Self

pub const fn fp8_e5m2() -> Self

pub const fn saturating(self) -> Self

Trait Implementations

impl Clone for Element

fn clone(&self) -> Element

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Element

impl Debug for Element

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Element

impl Hash for Element

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Element

fn eq(&self, other: &Element) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Element