cpp.react/include/react/TypeTraits.h at master · jchjava/cpp.react · GitHub

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// Copyright Sebastian Jeckel 2014.

// 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_TYPETRAITS_H_INCLUDED

#define REACT_TYPETRAITS_H_INCLUDED

#pragma once

#include "react/detail/Defs.h"

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

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

/// Forward declarations

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

template <typename D, typename S>

class Signal;

template <typename D, typename S>

class VarSignal;

template <typename D, typename S, typename TOp>

class TempSignal;

template <typename D, typename E>

class Events;

template <typename D, typename E>

class EventSource;

template <typename D, typename E, typename TOp>

class TempEvents;

template <typename D>

class Observer;

template <typename D>

class ScopedObserver;

template <typename TSourceDomain, typename TTargetDomain>

class Continuation;

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

/// IsSignal

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

template <typename T>

struct IsSignal { static const bool value = false; };

template <typename D, typename T>

struct IsSignal<Signal<D,T>> { static const bool value = true; };

template <typename D, typename T>

struct IsSignal<VarSignal<D,T>> { static const bool value = true; };

template <typename D, typename T, typename TOp>

struct IsSignal<TempSignal<D,T,TOp>> { static const bool value = true; };

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

/// IsEvent

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

template <typename T>

struct IsEvent { static const bool value = false; };

template <typename D, typename T>

struct IsEvent<Events<D,T>> { static const bool value = true; };

template <typename D, typename T>

struct IsEvent<EventSource<D,T>> { static const bool value = true; };

template <typename D, typename T, typename TOp>

struct IsEvent<TempEvents<D,T,TOp>> { static const bool value = true; };

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

/// IsObserver

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

template <typename T>

struct IsObserver { static const bool value = false; };

template <typename D>

struct IsObserver<Observer<D>> { static const bool value = true; };

template <typename D>

struct IsObserver<ScopedObserver<D>> { static const bool value = true; };

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

/// IsContinuation

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

template <typename T>

struct IsContinuation { static const bool value = false; };

template <typename D, typename D2>

struct IsContinuation<Continuation<D,D2>> { static const bool value = true; };

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

/// IsReactive

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

template <typename T>

struct IsReactive { static const bool value = false; };

template <typename D, typename T>

struct IsReactive<Signal<D,T>> { static const bool value = true; };

template <typename D, typename T>

struct IsReactive<VarSignal<D,T>> { static const bool value = true; };

template <typename D, typename T, typename TOp>

struct IsReactive<TempSignal<D,T,TOp>> { static const bool value = true; };

template <typename D, typename T>

struct IsReactive<Events<D,T>> { static const bool value = true; };

template <typename D, typename T>

struct IsReactive<EventSource<D,T>> { static const bool value = true; };

template <typename D, typename T, typename TOp>

struct IsReactive<TempEvents<D,T,TOp>> { static const bool value = true; };

template <typename D>

struct IsReactive<Observer<D>> { static const bool value = true; };

template <typename D>

struct IsReactive<ScopedObserver<D>> { static const bool value = true; };

template <typename D, typename D2>

struct IsReactive<Continuation<D,D2>> { static const bool value = true; };

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

/// RemoveInput

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

template <typename T>

struct RemoveInput { using Type = T; };

template <typename D, typename T>

struct RemoveInput<VarSignal<D,T>> { using Type = Signal<D,T>; };

template <typename D, typename T>

struct RemoveInput<EventSource<D,T>> { using Type = Events<D,T>; };

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

#endif // REACT_TYPETRAITS_H_INCLUDED

cpp.react/include/react/TypeTraits.h at master · jchjava/cpp.react · GitHub

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