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Bits128

Struct Bits128 

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pub struct Bits128(pub [u64; 2]);
Expand description

Two-limb carrier for 128-bit integers inside Value.

Limbs are little-endian ([lo, hi]). Using [u64; 2] instead of a raw u128/i128 field keeps Value’s alignment at 8 and its size inside the 40-byte buffer-slot envelope; reassembly is two register moves.

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§0: [u64; 2]

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impl Bits128

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pub fn from_u128(v: u128) -> Self

The two-word form of a u128, low word first.

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pub fn from_i128(v: i128) -> Self

The two-word form of an i128, low word first.

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pub fn as_u128(self) -> u128

The word as a u128.

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pub fn as_i128(self) -> i128

The word as an i128.

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pub fn to_le_bytes(self) -> [u8; 16]

The word’s sixteen bytes, little-endian.

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pub fn from_le_bytes(b: [u8; 16]) -> Self

A word from sixteen little-endian bytes.

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impl Bits128

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pub fn lanes_i8(self) -> [i8; 16]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_i8(lanes: [i8; 16]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_i16(self) -> [i16; 8]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_i16(lanes: [i16; 8]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_i32(self) -> [i32; 4]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_i32(lanes: [i32; 4]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_i64(self) -> [i64; 2]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_i64(lanes: [i64; 2]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_f32(self) -> [f32; 4]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_f32(lanes: [f32; 4]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_f64(self) -> [f64; 2]

The word as lanes of one element type, lane 0 at the lowest address.

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pub fn from_lanes_f64(lanes: [f64; 2]) -> Self

A word from lanes of one element type, lane 0 at the lowest address.

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impl Bits128

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pub fn lanes_f16(self) -> [f16; 8]

f16 lanes go through the bit-pattern codec (half::f16 has no to_le_bytes).

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pub fn from_lanes_f16(lanes: [f16; 8]) -> Self

A word from eight f16 lanes, through the bit-pattern codec.

Trait Implementations§

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impl Clone for Bits128

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fn clone(&self) -> Bits128

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for Bits128

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impl Debug for Bits128

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

Formats the value using the given formatter. Read more
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impl Eq for Bits128

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impl Hash for Bits128

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

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

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

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for Bits128

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fn eq(&self, other: &Bits128) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for Bits128

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impl Wire for Bits128

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const PORT: PortType = PortType::Reg128

Static port type for the DSL type-checker.
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const JIT: Option<JitType> = None

JIT carrier classification. Some(_) means the type rides the Phase-2 u64 buffer; None means typed-eval only.
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fn extract(v: &Value) -> Self

Pull a typed value out of a Value wire.
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fn inject(self) -> Value

Push a typed value back into the Value outputs stream.
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const RESOLVER: Option<DefaultResolver> = None

SRD-53 §“Source-string call-site sugar” — auto-resolver for Str-typed upstream wires feeding this slot. None (the default) disables auto-promotion; the workload must supply the wire’s actual port type directly. Set via the Resolved<R, T> marker wrapper.
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const WIRE_COST: WireCost = crate::ast::WireCost::Data

SRD-15 §“WireCost::Config” — cost class for this wire. Defaults to WireCost::Data (cheap per-cycle input). Set to WireCost::Config via the Config<T> marker wrapper to signal that the wire is rarely-changing and the compiler should warn on cycle-time binding.

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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