chromium/mojo/public/cpp/bindings/lib/wtf_hash_util.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_HASH_UTIL_H_
#define MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_HASH_UTIL_H_

#include <type_traits>

#include "mojo/public/cpp/bindings/lib/hash_util.h"
#include "mojo/public/cpp/bindings/struct_ptr.h"
#include "third_party/blink/renderer/platform/wtf/hash_functions.h"
#include "third_party/blink/renderer/platform/wtf/text/string_hash.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace mojo {
namespace internal {

template <typename T>
size_t WTFHashCombine(size_t seed, const T& value) { … }

template <typename T, bool has_hash_method = HasHashMethod<T>::value>
struct WTFHashTraits;

template <typename T>
size_t WTFHash(size_t seed, const T& value);

WTFHashTraits<T, true>;

WTFHashTraits<T, false>;

template <>
struct WTFHashTraits<WTF::String, false> { … };

template <typename T>
size_t WTFHash(size_t seed, const T& value) { … }

}  // namespace internal
}  // namespace mojo

namespace WTF {

HashTraits<mojo::StructPtr<T>>;

HashTraits<mojo::InlinedStructPtr<T>>;

}  // namespace WTF

#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_HASH_UTIL_H_