cpp.react/include/react/api.h at master · MerlinXYoung/cpp.react · GitHub

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// Copyright Sebastian Jeckel 2017.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#ifndef REACT_API_H_INCLUDED

#define REACT_API_H_INCLUDED

#pragma once

#include <type_traits>

#include <vector>

#include "react/detail/defs.h"

#include "react/common/utility.h"

/*****************************************/ REACT_BEGIN /*****************************************/

///////////////////////////////////////////////////////////////////////////////////////////////////

/// API constants

///////////////////////////////////////////////////////////////////////////////////////////////////

enum class WeightHint

{

automatic,

light,

heavy

};

enum class TransactionFlags

{

none = 0,

allow_merging = 1 << 1,

sync_linked = 1 << 2

};

REACT_DEFINE_BITMASK_OPERATORS(TransactionFlags)

enum class Token { value };

enum class InPlaceTag

{

value = 1

};

static constexpr InPlaceTag in_place = InPlaceTag::value;

///////////////////////////////////////////////////////////////////////////////////////////////////

/// API types

///////////////////////////////////////////////////////////////////////////////////////////////////

// Group

class Group;

// Ref

template <typename T>

using Ref = std::reference_wrapper<const T>;

// State

template <typename S>

class State;

template <typename S>

class StateVar;

template <typename S>

class StateSlot;

template <typename S>

class StateLink;

template <typename S>

using StateRef = State<Ref<S>>;

// Event

enum class Token;

template <typename E = Token>

class Event;

template <typename E = Token>

class EventSource;

template <typename E = Token>

class EventSlot;

template <typename E = Token>

using EventValueList = std::vector<E>;

template <typename E = Token>

using EventValueSink = std::back_insert_iterator<std::vector<E>>;

// Observer

class Observer;

template <typename T>

bool HasChanged(const T& a, const T& b)

{ return !(a == b); }

template <typename T>

bool HasChanged(const Ref<T>& a, const Ref<T>& b)

{ return true; }

template <typename T, typename V>

void ListInsert(T& list, V&& value)

{ list.push_back(std::forward<V>(value)); }

template <typename T, typename V>

void MapInsert(T& map, V&& value)

{ map.insert(std::forward<V>(value)); }

/******************************************/ REACT_END /******************************************/

#endif // REACT_API_H_INCLUDED

cpp.react/include/react/api.h at master · MerlinXYoung/cpp.react · GitHub

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