Struct ExternRef 

pub struct ExternRef(/* private fields */);

Represents an opaque reference to any data within WebAssembly.

Implementations

impl ExternRef

pub fn new<T>(ctx: impl AsContextMut, object: T) -> Self

where T: 'static + Any + Send + Sync,

Creates a new instance of ExternRef wrapping the given value.

pub fn data<'a, T: 'a>( &self, ctx: impl Into<StoreContext<'a, T>>, ) -> &'a dyn Any

Returns a shared reference to the underlying data for this ExternRef.

Panics

Panics if ctx does not own this ExternRef.

Trait Implementations

impl Clone for ExternRef

fn clone(&self) -> ExternRef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExternRef

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

Formats the value using the given formatter.

impl From<ExternRef> for UntypedVal

fn from(reftype: ExternRef) -> Self

Converts to this type from the input type.

impl From<ExternRef> for Val

fn from(externref: ExternRef) -> Self

Converts to this type from the input type.

impl Typed for ExternRef

const TY: ValType = ValType::ExternRef

The static associated Wasm type.

impl Copy for ExternRef