Enum RefProjection 

pub enum RefProjection {
    TypedField {
        type_id: u16,
        field_idx: u16,
        field_type_tag: u16,
    },
    Index {
        index: ValueWord,
    },
    MatrixRow {
        row_index: u32,
    },
}

A projection applied to a base reference.

Variants

TypedField

Fields

type_id: u16

field_idx: u16

field_type_tag: u16

Index

Index projection: &arr[i] — the index is stored as a NaN-boxed value so it can be an int or string key at runtime.

Fields

index: ValueWord

MatrixRow

Matrix row projection: &mut m[i] — borrow-based row projection for write-through mutation. The row_index identifies which row of the matrix is borrowed. Reads through this ref return a FloatArraySlice; writes via SetIndexRef do COW Arc::make_mut on the MatrixData and update matrix.data[row_index * cols + col_index] in place.

Fields

row_index: u32

Trait Implementations

impl Clone for RefProjection

fn clone(&self) -> RefProjection

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RefProjection

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

Formats the value using the given formatter.

impl PartialEq for RefProjection

fn eq(&self, other: &RefProjection) -> 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 Eq for RefProjection

impl StructuralPartialEq for RefProjection