IsPointer.h

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/*
 * This file is a part of the Biology project by eons LLC.
 * Biology (aka Develop Biology) is a framework for approaching software
 * development from a natural sciences perspective.
 *
 * Copyright (C) 2021 Séon O'Shannon & eons LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "bio/common/macros/LanguageMacros.h"
 
//@formatter:off
#if BIO_CPP_VERSION >= 11
    #include <type_traits>
#endif
//@formatter:on
 
namespace bio {
namespace utility {
 
//@formatter:off
#if BIO_CPP_VERSION < 11
    template<typename T>
    struct IsPointerImplementation {static const bool m_value = false;};
 
    template<typename T>
    struct IsPointerImplementation<T*> {static const bool m_value = true;};
#endif
//@formatter:on
 
template < typename T >
inline bool IsPointer()
{
    //@formatter:off
    #if BIO_CPP_VERSION >= 11
        return std::is_pointer<T>::value;
    #else
        return IsPointerImplementation< T >::m_value;
    #endif
    //@formatter:on
}
 
template < typename T >
inline bool IsPointer(const T t)
{
    return IsPointer< T >();
}
 
template < typename T >
inline T& Dereference(T& t)
{
    return t;
}
 
template < typename T >
inline T& Dereference(T* t)
{
    return *t;
}
 
} //utility namespace
} //bio namespace