3     AnyRef, ArrayRef, AsContext, AsContextMut, ExnRef, ExternRef, Func, HeapType, RefType, Rooted,
59     ExnRef(Option<Rooted<ExnRef>>),  enumerator
133             WasmHeapTopType::Exn => Val::ExnRef(None),  in null_top()
191             Val::ExnRef(None) => ValType::NULLEXNREF,  in load_ty()
192             Val::ExnRef(Some(e)) => ValType::Ref(RefType::new(false, e._ty(store)?.into())),  in load_ty()
228             (Val::ExnRef(e), ValType::Ref(ref_ty)) => Ref::from(*e)._matches_ty(store, ref_ty)?,  in _matches_ty()
238             | (Val::ExnRef(_), _)  in _matches_ty()
283             Val::ExnRef(e) => Ok(ValRaw::exnref(match e {  in to_raw()
355                         ExnRef::_from_raw(store, raw.get_exnref()).into()  in _from_raw()
390             Val::ExnRef(e) => Some(Ref::Exn(e)),  in ref_()
466     pub fn exnref(&self) -> Option<Option<&Rooted<ExnRef>>> {  in exnref()  argument
468             Val::ExnRef(None) => Some(None),  in exnref()
469             Val::ExnRef(Some(e)) => Some(Some(e)),  in exnref()
485     pub fn unwrap_exnref(&self) -> Option<&Rooted<ExnRef>> {  in unwrap_exnref()  argument
532             Val::ExnRef(Some(e)) => e.comes_from_same_store(store),  in comes_from_same_store()
533             Val::ExnRef(None) => true,  in comes_from_same_store()
581             Ref::Exn(e) => Val::ExnRef(e),  in from()
642 impl From<Rooted<ExnRef>> for Val {
644     fn from(val: Rooted<ExnRef>) -> Val {  in from()
645         Val::ExnRef(Some(val))  in from()
649 impl From<Option<Rooted<ExnRef>>> for Val {
651     fn from(val: Option<Rooted<ExnRef>>) -> Val {  in from()
652         Val::ExnRef(val)  in from()
775     Exn(Option<Rooted<ExnRef>>),
848 impl From<Rooted<ExnRef>> for Ref {
850     fn from(e: Rooted<ExnRef>) -> Ref {  in from()
855 impl From<Option<Rooted<ExnRef>>> for Ref {
857     fn from(e: Option<Rooted<ExnRef>>) -> Ref {  in from()
974     pub fn as_exn(&self) -> Option<Option<&Rooted<ExnRef>>> {  in as_exn()  argument
988     pub fn unwrap_exn(&self) -> Option<&Rooted<ExnRef>> {  in unwrap_exn()  argument