Struct PairData 

pub struct PairData {
    pub car: Value,
    pub cdr: Value,
    pub pos: Option<Position>,
}

Pair data (car and cdr)

Separated from Value::Pair to allow mutation via GcCell.

Fields

car: Value

cdr: Value

pos: Option<Position>

Source position (for error reporting)

Tracks where this pair (list expression) was parsed from. Used to provide accurate error locations for expressions inside functions.

Implementations

impl PairData

pub fn new(car: Value, cdr: Value) -> Self

pub fn with_pos(car: Value, cdr: Value, pos: Position) -> Self

Trait Implementations

impl Clone for PairData

fn clone(&self) -> PairData

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Drop for PairData

fn drop(&mut self)

Executes the destructor for this type.

impl Finalize for PairData

fn finalize(&self)

impl Trace for PairData

unsafe fn trace(&self)

Marks all contained Gcs.

unsafe fn root(&self)

Increments the root-count of all contained Gcs.

unsafe fn unroot(&self)

Decrements the root-count of all contained Gcs.

fn finalize_glue(&self)

Runs Finalize::finalize() on this object and all contained subobjects