Method runRefNullOp

lib/executor/engine/refInstr.cpp:76–81

} // namespace

Expect<void> Executor::runRefNullOp(Runtime::StackManager &StackMgr,
                                    const ValType &Type) const noexcept {
  // A null reference is typed with the least type in its respective hierarchy.
  StackMgr.push(RefVariant(toBottomType(StackMgr, Type)));
  return {};
}

Expect<void> Executor::runRefIsNullOp(ValVariant &Val) const noexcept {
  Val.emplace<uint32_t>(Val.get<RefVariant>().isNull() ? 1U : 0U);