50     FuncRef(Option<Func>),  enumerator
107         Val::FuncRef(None)  in null_func_ref()
130             WasmHeapTopType::Func => Val::FuncRef(None),  in null_top()
184             Val::FuncRef(None) => ValType::NULLFUNCREF,  in load_ty()
185             Val::FuncRef(Some(f)) => ValType::Ref(RefType::new(  in load_ty()
223             (Val::FuncRef(f), ValType::Ref(ref_ty)) => Ref::from(*f)._matches_ty(store, ref_ty)?,  in _matches_ty()
235             | (Val::FuncRef(_), _)  in _matches_ty()
287             Val::FuncRef(f) => Ok(ValRaw::funcref(match f {  in to_raw()
377         (FuncRef(Option<&Func>) func_ref unwrap_func_ref e.as_ref())
387             Val::FuncRef(f) => Some(Ref::Func(f)),  in ref_()
499             Val::FuncRef(None) => Some(None),  in funcref()
500             Val::FuncRef(Some(f)) => Some(Some(f)),  in funcref()
523             Val::FuncRef(Some(f)) => f.comes_from_same_store(store),  in comes_from_same_store()
524             Val::FuncRef(None) => true,  in comes_from_same_store()
579             Ref::Func(f) => Val::FuncRef(f),  in from()
659         Val::FuncRef(Some(val))  in from()
666         Val::FuncRef(val)  in from()
1207         let _ = Val::FuncRef(Some(f)).matches_ty(  in val_matches_ty_wrong_engine()