// Copyright 2020 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // TODO(nicohartmann): Discuss whether types used by multiple builtins should be // in global namespace extern class BigIntBase extends PrimitiveHeapObject generates 'TNode<BigInt>'; type BigInt extends BigIntBase; @hasSameInstanceTypeAsParent @doNotGenerateCast extern class MutableBigInt extends BigIntBase generates 'TNode<BigInt>'; Convert<BigInt, MutableBigInt>(i: MutableBigInt): BigInt { dcheck(bigint::IsCanonicalized(i)); return %RawDownCast<BigInt>(Convert<BigIntBase>(i)); }