Struct Internal 

pub struct Internal {
    pub tag: InternalTag,
    pub slots: Vec<Value>,
    pub data: InternalData,
}

The internal state of an object of a kind with ObjectKind::has_internal: internal slots, traced like properties, and data that holds no values.

Fields

tag: InternalTag

What the slots mean, for ObjectKind::Builtin objects.

slots: Vec<Value>

data: InternalData

Implementations

impl Internal

pub fn owned_bytes(&self) -> usize

Bytes owned outside the arena: charged to the trigger by the allocating calls that grow them, not tracked by the arena (the slots change size after allocation).

Trait Implementations

impl Debug for Internal

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

Formats the value using the given formatter.

impl Record for Internal

fn vacant() -> Self

The poison value written over a freed slot. It must own no heap memory.

fn extra_bytes(&self) -> usize

Bytes owned outside the arena slot (string contents, tables), counted toward the heap cap.