3     AnyRef, ArrayRef, AsContext, AsContextMut, ExnRef, ExternRef, Func, HeapType, RefType, Rooted,
53     ExternRef(Option<Rooted<ExternRef>>),  enumerator
116         Val::ExternRef(None)  in null_extern_ref()
131             WasmHeapTopType::Extern => Val::ExternRef(None),  in null_top()
182             Val::ExternRef(Some(_)) => ValType::EXTERNREF,  in load_ty()
183             Val::ExternRef(None) => ValType::NULLFUNCREF,  in load_ty()
224             (Val::ExternRef(e), ValType::Ref(ref_ty)) => {  in _matches_ty()
236             | (Val::ExternRef(_), _)  in _matches_ty()
275             Val::ExternRef(e) => Ok(ValRaw::externref(match e {  in to_raw()
340                     HeapType::Extern => ExternRef::_from_raw(store, raw.get_externref()).into(),  in _from_raw()
378         (ExternRef(Option<&Rooted<ExternRef>>) extern_ref unwrap_extern_ref e.as_ref())
388             Val::ExternRef(e) => Some(Ref::Extern(e)),  in ref_()
404     pub fn externref(&self) -> Option<Option<&Rooted<ExternRef>>> {  in externref()  argument
406             Val::ExternRef(None) => Some(None),  in externref()
407             Val::ExternRef(Some(e)) => Some(Some(e)),  in externref()
423     pub fn unwrap_externref(&self) -> Option<&Rooted<ExternRef>> {  in unwrap_externref()  argument
526             Val::ExternRef(Some(x)) => x.comes_from_same_store(store),  in comes_from_same_store()
527             Val::ExternRef(None) => true,  in comes_from_same_store()
578             Ref::Extern(e) => Val::ExternRef(e),  in from()
586 impl From<Rooted<ExternRef>> for Val {
588     fn from(val: Rooted<ExternRef>) -> Val {  in from()
589         Val::ExternRef(Some(val))  in from()
593 impl From<Option<Rooted<ExternRef>>> for Val {
595     fn from(val: Option<Rooted<ExternRef>>) -> Val {  in from()
596         Val::ExternRef(val)  in from()
757     Extern(Option<Rooted<ExternRef>>),
792 impl From<Rooted<ExternRef>> for Ref {
794     fn from(e: Rooted<ExternRef>) -> Ref {  in from()
799 impl From<Option<Rooted<ExternRef>>> for Ref {
801     fn from(e: Option<Rooted<ExternRef>>) -> Ref {  in from()
907     pub fn as_extern(&self) -> Option<Option<&Rooted<ExternRef>>> {  in as_extern()  argument
921     pub fn unwrap_extern(&self) -> Option<&Rooted<ExternRef>> {  in unwrap_extern()  argument