Sha256: 582e8da25f30f36c87595769f9302a9e8cb1de0e6a503ed9b455c8aaff444d76
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Size: 935 Bytes
Versions: 18
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Stored size: 935 Bytes
Contents
// Copyright 2021 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.
#ifndef INCLUDE_CPPGC_SENTINEL_POINTER_H_
#define INCLUDE_CPPGC_SENTINEL_POINTER_H_
#include <cstdint>
namespace cppgc {
namespace internal {
// Special tag type used to denote some sentinel member. The semantics of the
// sentinel is defined by the embedder.
struct SentinelPointer {
static constexpr intptr_t kSentinelValue = 0b10;
template <typename T>
operator T*() const {
return reinterpret_cast<T*>(kSentinelValue);
}
// Hidden friends.
friend bool operator==(SentinelPointer, SentinelPointer) { return true; }
friend bool operator!=(SentinelPointer, SentinelPointer) { return false; }
};
} // namespace internal
constexpr internal::SentinelPointer kSentinelPointer;
} // namespace cppgc
#endif // INCLUDE_CPPGC_SENTINEL_POINTER_H_
Version data entries
18 entries across 18 versions & 1 rubygems